57085931896 has 32 divisors (see below), whose sum is σ = 123800826240. Its totient is φ = 24170633568.

The previous prime is 57085931887. The next prime is 57085931941. The reversal of 57085931896 is 69813958075.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6136266 + ... + 6145561.

It is an arithmetic number, because the mean of its divisors is an integer number (3868775820).

Almost surely, 2^57085931896 is an apocalyptic number.

57085931896 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57085931896 is an abundant number, since it is smaller than the sum of its proper divisors (66714894344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57085931896 is a wasteful number, since it uses less digits than its factorization.

57085931896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12281923 (or 12281919 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 61.

The spelling of 57085931896 in words is "fifty-seven billion, eighty-five million, nine hundred thirty-one thousand, eight hundred ninety-six".