57270988 has 12 divisors (see below), whose sum is σ = 100404360. Its totient is φ = 28584032.

The previous prime is 57270949. The next prime is 57270991. The reversal of 57270988 is 88907275.

It is a super-2 number, since 2×57270988² = 6559932132992288, which contains 22 as substring.

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, 10306 + ... + 14857.

It is an arithmetic number, because the mean of its divisors is an integer number (8367030).

Almost surely, 2^57270988 is an apocalyptic number.

It is an amenable number.

57270988 is a deficient number, since it is larger than the sum of its proper divisors (43133372).

57270988 is a wasteful number, since it uses less digits than its factorization.

57270988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25736 (or 25734 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 57270988 is about 7567.7597742000. The cubic root of 57270988 is about 385.4590308293.

The spelling of 57270988 in words is "fifty-seven million, two hundred seventy thousand, nine hundred eighty-eight".