Yes!
It was actually a goal of mine to reach 50+ and it literally took me one year (pretty much to the day) of trying almost every day. I burnt myself out on puzzles for months 
https://www.chess.com/blog/KeSetoKaiba/puzzle-rush-survival-50-goal-reached
If you don't want to read the "book" I wrote in that blog post, I have a recent video where I crossed over 60:
You may also benefit from the Quantum Calculation technique I learned from GM Daniel Naroditsky. It really helps with some of those calculation-heavy puzzles closer to 50:
Anybody have any tips on how to get 50 and above in puzzle rush survival? I am 3150 in normal puzzles and have only reached 48 in puzzle rush.