57668 has 12 divisors (see below), whose sum is σ = 108780. Its totient is φ = 26592.

The previous prime is 57667. The next prime is 57679. The reversal of 57668 is 86675.

It can be written as a sum of positive squares in 2 ways, for example, as 3844 + 53824 = 62^2 + 232^2 .

It is not an unprimeable number, because it can be changed into a prime (57667) 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, 503 + ... + 606.

It is an arithmetic number, because the mean of its divisors is an integer number (9065).

2⁵⁷⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

57668 is a deficient number, since it is larger than the sum of its proper divisors (51112).

57668 is a wasteful number, since it uses less digits than its factorization.

57668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1124 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 57668 is about 240.1416248800. The cubic root of 57668 is about 38.6347669257.

The spelling of 57668 in words is "fifty-seven thousand, six hundred sixty-eight".