52515156 has 24 divisors (see below), whose sum is σ = 124848864. Its totient is φ = 17174560.

The previous prime is 52515139. The next prime is 52515163. The reversal of 52515156 is 65151525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40650 + ... + 41921.

It is an arithmetic number, because the mean of its divisors is an integer number (5202036).

Almost surely, 2^52515156 is an apocalyptic number.

It is an amenable number.

52515156 is an abundant number, since it is smaller than the sum of its proper divisors (72333708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52515156 is a wasteful number, since it uses less digits than its factorization.

52515156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82631 (or 82629 counting only the distinct ones).

The product of its digits is 7500, while the sum is 30.

The square root of 52515156 is about 7246.7341609859. The cubic root of 52515156 is about 374.4796480687.

The spelling of 52515156 in words is "fifty-two million, five hundred fifteen thousand, one hundred fifty-six".