No, because if you do 50 squats once a day, you will raise your heart rate and sustain a higher heart rate for a longer time as your do the squats. This will condition your heart as you work in a specific heart rate zone.
Doing 10 squats might raise your heart rate, but not as high and not for as long.
So in terms of your butt and leg muscles, it might be the same, but in terms of aerobic fitness you are not getting the same level of training for your heart (and lungs?)
Here’s a quick google on heart rate zones;
https://www.heart.org/en/healthy-living/fitness/fitness-basics/target-heart-rates
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