52505256 has 32 divisors (see below), whose sum is σ = 134467200. Its totient is φ = 17074560.

The previous prime is 52505249. The next prime is 52505261. The reversal of 52505256 is 65250525.

It is an alternating number because its digits alternate between odd and even.

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, 25696 + ... + 27663.

It is an arithmetic number, because the mean of its divisors is an integer number (4202100).

Almost surely, 2^52505256 is an apocalyptic number.

It is an amenable number.

52505256 is an abundant number, since it is smaller than the sum of its proper divisors (81961944).

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

52505256 is a wasteful number, since it uses less digits than its factorization.

52505256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53409 (or 53405 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 52505256 is about 7246.0510624753. The cubic root of 52505256 is about 374.4561146624.

The spelling of 52505256 in words is "fifty-two million, five hundred five thousand, two hundred fifty-six".