57871904 has 12 divisors (see below), whose sum is σ = 113935374. Its totient is φ = 28935936.

The previous prime is 57871903. The next prime is 57871909. The reversal of 57871904 is 40917875.

It can be written as a sum of positive squares in only one way, i.e., 43824400 + 14047504 = 6620^2 + 3748^2 .

It is not an unprimeable number, because it can be changed into a prime (57871903) by changing a digit.

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, 904217 + ... + 904280.

Almost surely, 2^57871904 is an apocalyptic number.

It is an amenable number.

57871904 is a deficient number, since it is larger than the sum of its proper divisors (56063470).

57871904 is a wasteful number, since it uses less digits than its factorization.

57871904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808507 (or 1808499 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 57871904 is about 7607.3585428846. The cubic root of 57871904 is about 386.8024863071.

The spelling of 57871904 in words is "fifty-seven million, eight hundred seventy-one thousand, nine hundred four".