56556801425 has 24 divisors (see below), whose sum is σ = 70312499712. Its totient is φ = 45128160000.

The previous prime is 56556801401. The next prime is 56556801493. The reversal of 56556801425 is 52410865565.

It is not a de Polignac number, because 56556801425 - 2³⁰ = 55483059601 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56556801425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21826880 + ... + 21829470.

It is an arithmetic number, because the mean of its divisors is an integer number (2929687488).

Almost surely, 2^56556801425 is an apocalyptic number.

It is an amenable number.

56556801425 is a deficient number, since it is larger than the sum of its proper divisors (13755698287).

56556801425 is a wasteful number, since it uses less digits than its factorization.

56556801425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529 (or 4524 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 56556801425 in words is "fifty-six billion, five hundred fifty-six million, eight hundred one thousand, four hundred twenty-five".