56904725 has 12 divisors (see below), whose sum is σ = 71557920. Its totient is φ = 44881200.

The previous prime is 56904709. The next prime is 56904751. The reversal of 56904725 is 52740965.

It is a happy number.

It is not a de Polignac number, because 56904725 - 2⁴ = 56904709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14255 + ... + 17804.

It is an arithmetic number, because the mean of its divisors is an integer number (5963160).

Almost surely, 2^56904725 is an apocalyptic number.

It is an amenable number.

56904725 is a deficient number, since it is larger than the sum of its proper divisors (14653195).

56904725 is a wasteful number, since it uses less digits than its factorization.

56904725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32140 (or 32135 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 56904725 is about 7543.5220553797. The cubic root of 56904725 is about 384.6355690176.

The spelling of 56904725 in words is "fifty-six million, nine hundred four thousand, seven hundred twenty-five".