57097688 has 16 divisors (see below), whose sum is σ = 108042000. Its totient is φ = 28286496.

The previous prime is 57097687. The next prime is 57097693. The reversal of 57097688 is 88679075.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57097687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31868 + ... + 33611.

It is an arithmetic number, because the mean of its divisors is an integer number (6752625).

Almost surely, 2^57097688 is an apocalyptic number.

It is an amenable number.

57097688 is a deficient number, since it is larger than the sum of its proper divisors (50944312).

57097688 is a wasteful number, since it uses less digits than its factorization.

57097688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65594 (or 65590 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 57097688 is about 7556.3012115717. The cubic root of 57097688 is about 385.0698428415.

The spelling of 57097688 in words is "fifty-seven million, ninety-seven thousand, six hundred eighty-eight".