56400625 has 40 divisors (see below), whose sum is σ = 75575808. Its totient is φ = 42000000.

The previous prime is 56400601. The next prime is 56400689. The reversal of 56400625 is 52600465.

It is not a de Polignac number, because 56400625 - 2⁷ = 56400497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56400593 and 56400602.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 794340 + ... + 794410.

Almost surely, 2^56400625 is an apocalyptic number.

It is an amenable number.

56400625 is a deficient number, since it is larger than the sum of its proper divisors (19175183).

56400625 is an equidigital number, since it uses as much as digits as its factorization.

56400625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 56400625 is about 7510.0349533141. The cubic root of 56400625 is about 383.4964124440.

The spelling of 56400625 in words is "fifty-six million, four hundred thousand, six hundred twenty-five".