57987328 has 36 divisors (see below), whose sum is σ = 132287680. Its totient is φ = 24850944.

The previous prime is 57987299. The next prime is 57987341. The reversal of 57987328 is 82378975.

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, 14388 + ... + 17971.

Almost surely, 2^57987328 is an apocalyptic number.

It is an amenable number.

57987328 is an abundant number, since it is smaller than the sum of its proper divisors (74300352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57987328 is an equidigital number, since it uses as much as digits as its factorization.

57987328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32382 (or 32368 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 57987328 is about 7614.9411028582. The cubic root of 57987328 is about 387.0594713492.

The spelling of 57987328 in words is "fifty-seven million, nine hundred eighty-seven thousand, three hundred twenty-eight".