56816570625 has 20 divisors (see below), whose sum is σ = 94663985328. Its totient is φ = 30302170000.

The previous prime is 56816570579. The next prime is 56816570627. The reversal of 56816570625 is 52607561865.

It is a happy number.

It is not a de Polignac number, because 56816570625 - 2¹² = 56816566529 is a prime.

It is a super-2 number, since 2×56816570625² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56816570627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15149211 + ... + 15152960.

Almost surely, 2^56816570625 is an apocalyptic number.

It is an amenable number.

56816570625 is a deficient number, since it is larger than the sum of its proper divisors (37847414703).

56816570625 is an equidigital number, since it uses as much as digits as its factorization.

56816570625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30302194 (or 30302179 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 56816570625 in words is "fifty-six billion, eight hundred sixteen million, five hundred seventy thousand, six hundred twenty-five".