57447932 has 12 divisors (see below), whose sum is σ = 100826040. Its totient is φ = 28640496.

The previous prime is 57447911. The next prime is 57447961. The reversal of 57447932 is 23974475.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 57447932.

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, 19307 + ... + 22082.

It is an arithmetic number, because the mean of its divisors is an integer number (8402170).

Almost surely, 2^57447932 is an apocalyptic number.

It is an amenable number.

57447932 is a deficient number, since it is larger than the sum of its proper divisors (43378108).

57447932 is a wasteful number, since it uses less digits than its factorization.

57447932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41740 (or 41738 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 57447932 is about 7579.4414042197. The cubic root of 57447932 is about 385.8555931140.

The spelling of 57447932 in words is "fifty-seven million, four hundred forty-seven thousand, nine hundred thirty-two".