57994137 has 56 divisors (see below), whose sum is σ = 94435200. Its totient is φ = 35481888.

The previous prime is 57994129. The next prime is 57994141. The reversal of 57994137 is 73149975.

57994137 is a `hidden beast` number, since 579 + 9 + 41 + 37 = 666.

It is not a de Polignac number, because 57994137 - 2³ = 57994129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57994092 and 57994101.

It is not an unprimeable number, because it can be changed into a prime (57994177) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 734064 + ... + 734142.

Almost surely, 2^57994137 is an apocalyptic number.

57994137 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

57994137 is a deficient number, since it is larger than the sum of its proper divisors (36441063).

57994137 is an equidigital number, since it uses as much as digits as its factorization.

57994137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 154 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 57994137 is about 7615.3881713278. The cubic root of 57994137 is about 387.0746205487.

The spelling of 57994137 in words is "fifty-seven million, nine hundred ninety-four thousand, one hundred thirty-seven".