57557972 has 12 divisors (see below), whose sum is σ = 100994880. Its totient is φ = 28702296.

The previous prime is 57557963. The next prime is 57557989. The reversal of 57557972 is 27975575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17468 + ... + 20499.

It is an arithmetic number, because the mean of its divisors is an integer number (8416240).

Almost surely, 2^57557972 is an apocalyptic number.

It is an amenable number.

57557972 is a deficient number, since it is larger than the sum of its proper divisors (43436908).

57557972 is a wasteful number, since it uses less digits than its factorization.

57557972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38350 (or 38348 counting only the distinct ones).

The product of its digits is 771750, while the sum is 47.

The square root of 57557972 is about 7586.6970415326. The cubic root of 57557972 is about 386.1018013861.

The spelling of 57557972 in words is "fifty-seven million, five hundred fifty-seven thousand, nine hundred seventy-two".