57027840 has 72 divisors (see below), whose sum is σ = 182144928. Its totient is φ = 15206400.

The previous prime is 57027829. The next prime is 57027857. The reversal of 57027840 is 4872075.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3586 + ... + 11265.

Almost surely, 2^57027840 is an apocalyptic number.

It is an amenable number.

57027840 is an abundant number, since it is smaller than the sum of its proper divisors (125117088).

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

57027840 is a wasteful number, since it uses less digits than its factorization.

57027840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14875 (or 14861 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 57027840 is about 7551.6779592353. The cubic root of 57027840 is about 384.9127592287.

The spelling of 57027840 in words is "fifty-seven million, twenty-seven thousand, eight hundred forty".