57939 has 16 divisors (see below), whose sum is σ = 92160. Its totient is φ = 31680.

The previous prime is 57923. The next prime is 57943. The reversal of 57939 is 93975.

57939 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57939 - 2⁴ = 57923 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607 + ... + 695.

It is an arithmetic number, because the mean of its divisors is an integer number (5760).

2⁵⁷⁹³⁹ is an apocalyptic number.

57939 is a deficient number, since it is larger than the sum of its proper divisors (34221).

57939 is a wasteful number, since it uses less digits than its factorization.

57939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130.

The product of its digits is 8505, while the sum is 33.

The square root of 57939 is about 240.7052139028. The cubic root of 57939 is about 38.6951913314.

The spelling of 57939 in words is "fifty-seven thousand, nine hundred thirty-nine".