57819668 has 12 divisors (see below), whose sum is σ = 102167520. Its totient is φ = 28628952.

The previous prime is 57819637. The next prime is 57819689. The reversal of 57819668 is 86691875.

It is a happy number.

It is a super-2 number, since 2×57819668² = 6686228015260448, which contains 22 as substring.

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, 69758 + ... + 70581.

It is an arithmetic number, because the mean of its divisors is an integer number (8513960).

Almost surely, 2^57819668 is an apocalyptic number.

It is an amenable number.

57819668 is a deficient number, since it is larger than the sum of its proper divisors (44347852).

57819668 is a wasteful number, since it uses less digits than its factorization.

57819668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140446 (or 140444 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 57819668 is about 7603.9245130393. The cubic root of 57819668 is about 386.6860734744.

The spelling of 57819668 in words is "fifty-seven million, eight hundred nineteen thousand, six hundred sixty-eight".