52656865625 has 48 divisors (see below), whose sum is σ = 81005815296. Its totient is φ = 33329880000.

The previous prime is 52656865619. The next prime is 52656865627.

52656865625 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52656865625 - 2⁴ = 52656865609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52656865627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191792 + ... + 376958.

It is an arithmetic number, because the mean of its divisors is an integer number (1687621152).

Almost surely, 2^52656865625 is an apocalyptic number.

It is an amenable number.

52656865625 is a deficient number, since it is larger than the sum of its proper divisors (28348949671).

52656865625 is an equidigital number, since it uses as much as digits as its factorization.

52656865625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185212 (or 185192 counting only the distinct ones).

The product of its digits is 25920000, while the sum is 56.

It can be divided in two parts, 5265 and 6865625, that multiplied together give a square (36147515625 = 190125²).

The spelling of 52656865625 in words is "fifty-two billion, six hundred fifty-six million, eight hundred sixty-five thousand, six hundred twenty-five".