53125291 has 2 divisors, whose sum is σ = 53125292. Its totient is φ = 53125290.

The previous prime is 53125283. The next prime is 53125297. The reversal of 53125291 is 19252135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53125291 - 2³ = 53125283 is a prime.

It is not a weakly prime, because it can be changed into another prime (53125297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26562645 + 26562646.

It is an arithmetic number, because the mean of its divisors is an integer number (26562646).

Almost surely, 2^53125291 is an apocalyptic number.

53125291 is a deficient number, since it is larger than the sum of its proper divisors (1).

53125291 is an equidigital number, since it uses as much as digits as its factorization.

53125291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 28.

The square root of 53125291 is about 7288.7098309646. The cubic root of 53125291 is about 375.9243354423.

The spelling of 53125291 in words is "fifty-three million, one hundred twenty-five thousand, two hundred ninety-one".