56983904 has 24 divisors (see below), whose sum is σ = 114307200. Its totient is φ = 27953536.

The previous prime is 56983879. The next prime is 56983909. The reversal of 56983904 is 40938965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56983909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15104 + ... + 18495.

It is an arithmetic number, because the mean of its divisors is an integer number (4762800).

Almost surely, 2^56983904 is an apocalyptic number.

It is an amenable number.

56983904 is an abundant number, since it is smaller than the sum of its proper divisors (57323296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56983904 is a wasteful number, since it uses less digits than its factorization.

56983904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33662 (or 33654 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 56983904 is about 7548.7683763645. The cubic root of 56983904 is about 384.8138842938.

The spelling of 56983904 in words is "fifty-six million, nine hundred eighty-three thousand, nine hundred four".