57993939 has 12 divisors (see below), whose sum is σ = 86658000. Its totient is φ = 37329264.

The previous prime is 57993931. The next prime is 57993941. The reversal of 57993939 is 93939975.

57993939 is a `hidden beast` number, since 579 + 9 + 39 + 39 = 666.

It is not a de Polignac number, because 57993939 - 2³ = 57993931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57993931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110839 + ... + 111360.

It is an arithmetic number, because the mean of its divisors is an integer number (7221500).

Almost surely, 2^57993939 is an apocalyptic number.

57993939 is a deficient number, since it is larger than the sum of its proper divisors (28664061).

57993939 is a wasteful number, since it uses less digits than its factorization.

57993939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222234 (or 222231 counting only the distinct ones).

The product of its digits is 2066715, while the sum is 54.

The square root of 57993939 is about 7615.3751713228. The cubic root of 57993939 is about 387.0741800394.

The spelling of 57993939 in words is "fifty-seven million, nine hundred ninety-three thousand, nine hundred thirty-nine".