56320725 has 12 divisors (see below), whose sum is σ = 93117056. Its totient is φ = 30037680.

The previous prime is 56320717. The next prime is 56320727. The reversal of 56320725 is 52702365.

It is not a de Polignac number, because 56320725 - 2³ = 56320717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56320692 and 56320701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56320727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375397 + ... + 375546.

Almost surely, 2^56320725 is an apocalyptic number.

It is an amenable number.

56320725 is a deficient number, since it is larger than the sum of its proper divisors (36796331).

56320725 is a wasteful number, since it uses less digits than its factorization.

56320725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750956 (or 750951 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 56320725 is about 7504.7135188493. The cubic root of 56320725 is about 383.3152333399.

The spelling of 56320725 in words is "fifty-six million, three hundred twenty thousand, seven hundred twenty-five".