57503742856 has 16 divisors (see below), whose sum is σ = 123222306240. Its totient is φ = 24644461200.

The previous prime is 57503742811. The next prime is 57503742871. The reversal of 57503742856 is 65824730575.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513426220 + ... + 513426331.

It is an arithmetic number, because the mean of its divisors is an integer number (7701394140).

Almost surely, 2^57503742856 is an apocalyptic number.

57503742856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57503742856 is an abundant number, since it is smaller than the sum of its proper divisors (65718563384).

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

57503742856 is a wasteful number, since it uses less digits than its factorization.

57503742856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026852564 (or 1026852560 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 57503742856 in words is "fifty-seven billion, five hundred three million, seven hundred forty-two thousand, eight hundred fifty-six".