57158872 has 8 divisors (see below), whose sum is σ = 107172900. Its totient is φ = 28579432.

The previous prime is 57158867. The next prime is 57158917. The reversal of 57158872 is 27885175.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572422 + ... + 3572437.

Almost surely, 2^57158872 is an apocalyptic number.

It is an amenable number.

57158872 is a deficient number, since it is larger than the sum of its proper divisors (50014028).

57158872 is a wasteful number, since it uses less digits than its factorization.

57158872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7144865 (or 7144861 counting only the distinct ones).

The product of its digits is 156800, while the sum is 43.

The square root of 57158872 is about 7560.3486692083. The cubic root of 57158872 is about 385.2073364580.

The spelling of 57158872 in words is "fifty-seven million, one hundred fifty-eight thousand, eight hundred seventy-two".