57276566056 has 64 divisors (see below), whose sum is σ = 116974368000. Its totient is φ = 26185635840.

The previous prime is 57276566023. The next prime is 57276566089. The reversal of 57276566056 is 65066567275.

It is an interprime number because it is at equal distance from previous prime (57276566023) and next prime (57276566089).

It is a junction number, because it is equal to n+sod(n) for n = 57276565988 and 57276566006.

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 15 ways as a sum of consecutive naturals, for example, 1311175 + ... + 1354153.

It is an arithmetic number, because the mean of its divisors is an integer number (1827724500).

Almost surely, 2^57276566056 is an apocalyptic number.

It is an amenable number.

57276566056 is an abundant number, since it is smaller than the sum of its proper divisors (59697801944).

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

57276566056 is a wasteful number, since it uses less digits than its factorization.

57276566056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43282 (or 43278 counting only the distinct ones).

The product of its (nonzero) digits is 15876000, while the sum is 55.

The spelling of 57276566056 in words is "fifty-seven billion, two hundred seventy-six million, five hundred sixty-six thousand, fifty-six".