57204904 has 8 divisors (see below), whose sum is σ = 107259210. Its totient is φ = 28602448.

The previous prime is 57204893. The next prime is 57204919. The reversal of 57204904 is 40940275.

It can be written as a sum of positive squares in only one way, i.e., 51868804 + 5336100 = 7202^2 + 2310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 3575299 + ... + 3575314.

Almost surely, 2^57204904 is an apocalyptic number.

It is an amenable number.

57204904 is a deficient number, since it is larger than the sum of its proper divisors (50054306).

57204904 is a wasteful number, since it uses less digits than its factorization.

57204904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7150619 (or 7150615 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 57204904 is about 7563.3923605747. The cubic root of 57204904 is about 385.3107156046.

The spelling of 57204904 in words is "fifty-seven million, two hundred four thousand, nine hundred four".