57271195656 has 96 divisors (see below), whose sum is σ = 155967102720. Its totient is φ = 18985075200.

The previous prime is 57271195651. The next prime is 57271195669. The reversal of 57271195656 is 65659117275.

57271195656 is a `hidden beast` number, since 5 + 7 + 2 + 71 + 1 + 9 + 565 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (57271195651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15805861 + ... + 15809483.

It is an arithmetic number, because the mean of its divisors is an integer number (1624657320).

Almost surely, 2^57271195656 is an apocalyptic number.

It is an amenable number.

57271195656 is an abundant number, since it is smaller than the sum of its proper divisors (98695907064).

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

57271195656 is a wasteful number, since it uses less digits than its factorization.

57271195656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787 (or 4780 counting only the distinct ones).

The product of its digits is 3969000, while the sum is 54.

The spelling of 57271195656 in words is "fifty-seven billion, two hundred seventy-one million, one hundred ninety-five thousand, six hundred fifty-six".