57397924 has 12 divisors (see below), whose sum is σ = 101718400. Its totient is φ = 28335528.

The previous prime is 57397913. The next prime is 57397943. The reversal of 57397924 is 42979375.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 90504 + ... + 91135.

Almost surely, 2^57397924 is an apocalyptic number.

It is an amenable number.

57397924 is a deficient number, since it is larger than the sum of its proper divisors (44320476).

57397924 is a wasteful number, since it uses less digits than its factorization.

57397924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181722 (or 181720 counting only the distinct ones).

The product of its digits is 476280, while the sum is 46.

The square root of 57397924 is about 7576.1417621372. The cubic root of 57397924 is about 385.7435991309.

The spelling of 57397924 in words is "fifty-seven million, three hundred ninety-seven thousand, nine hundred twenty-four".