Q: Is 55,521 a Prime Number?
A: No, 55,521 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 55521 can be evenly divided by 1 3 9 31 93 199 279 597 1,791 6,169 18,507 and 55,521, with no remainder.
Since 55,521 cannot be divided by just 1 and 55,521, it is not a prime number.