Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE would crush Donald Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE in a hypothetical general election match-up, a new national survey found.

According to a Bloomberg Politics poll released Wednesday, Clinton leads Trump 54 percent to 36 percent in a contest between the two presidential front-runners.

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Also troubling for Trump, only 29 percent of likely general election voters nationally have a favorable view of him, compared to 68 percent who view him negatively.

Trump’s favorability rating is at an all-time low in the survey, while his negative rating has gone up 13 points since November and has hit a new high.

Clinton is similarly underwater on favorability, with 44 percent saying they have positive view of her and 53 percent saying they view her negatively.

The Republican Party’s favorability rating is at an all-time low in the survey, which has been conducted since 2009.

Only 33 percent view the GOP favorably, against 60 percent who have a negative view of the party. Fifty-one percent of likely general election voters have a positive view of the Democratic Party, against 43 percent negative.

Trump does worse in a head-to-head match-up against Clinton than either of his two rivals still in the GOP race.

Clinton takes 51 percent support in a head-to-head match-up with Ted Cruz Rafael (Ted) Edward CruzSenate Republicans face tough decision on replacing Ginsburg Cruz: Trump should nominate a Supreme Court justice next week Renewed focus on Trump's Supreme Court list after Ginsburg's death MORE, who takes 42 percent. Thirty-two percent view Cruz favorably, against 55 percent who view him negatively.

Only John Kasich bests Clinton in a hypothetical match-up, with the survey finding the Ohio governor taking 47 percent compared to 43 percent for Clinton. Kasich is the only candidate with a positive favorability rating, holding a 46-32 split.

A separate poll released Wednesday by Fox News also gives Clinton an advantage over Trump, but by a smaller margin. She is beating Trump by 11 points, 49 to 38 percent, according to the Fox poll.

Kasich and Cruz both top Clinton in the Fox poll, with Kasich holding the largest lead over the former secretary of State. Kasich leads Clinton 51 to 40 percent and does better than the other GOP candidates against Clinton because he takes a larger percentage of Democrats.

Kasich cannot win the GOP nomination outright even if he wins every remaining outstanding delegate, but his campaign is sticking around in hopes of forcing a contested convention.

Trump presently has 739 delegates, followed by Cruz at 465 and Kasich at 143.

To get to the 1,237 needed to win the nomination, Trump needs to win just more than half of the outstanding delegates up for grabs, while Cruz has to run closer to 85 percent.

Trump has said if he arrives at the convention short of the magic number, but still has a strong plurality of delegates, then the convention should be obligated to make him the party’s nominee.

The Bloomberg survey found 63 percent of Republicans who have voted in a GOP contest this year, or plan to participate in a primary or caucus, agree with Trump on that issue.

Nationally, Trump still has a healthy lead over the rest of the Republican field. He takes 40 percent in the poll, followed by Cruz, at 31 percent, and Kasich, at 25 percent.

Cruz’s team has called on Kasich to drop out, arguing that the Ohio governor is siphoning votes from the candidate with the best chance of stopping Trump.

But Trump leads Cruz 48 percent to 44 percent in a head-to-head match-up. He leads Kasich 51 to 43.

The Bloomberg poll of 815 likely general election voters was conducted between March 19 and 22 and has a 3.4 percentage point margin of error. The survey of 366 Republican primary voters has a 5.1 percentage point margin of error.

Updated at 6:43 p.m. Rebecca Savransky contributed.