57085994 has 32 divisors (see below), whose sum is σ = 103489920. Its totient is φ = 23070528.

The previous prime is 57085969. The next prime is 57086009. The reversal of 57085994 is 49958075.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83984 + ... + 84660.

It is an arithmetic number, because the mean of its divisors is an integer number (3234060).

Almost surely, 2^57085994 is an apocalyptic number.

57085994 is a deficient number, since it is larger than the sum of its proper divisors (46403926).

57085994 is a wasteful number, since it uses less digits than its factorization.

57085994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 57085994 is about 7555.5273806664. The cubic root of 57085994 is about 385.0435527274.

The spelling of 57085994 in words is "fifty-seven million, eighty-five thousand, nine hundred ninety-four".