57056077755 has 32 divisors (see below), whose sum is σ = 101525253120. Its totient is φ = 30402240480.

The previous prime is 57056077699. The next prime is 57056077829. The reversal of 57056077755 is 55777065075.

57056077755 is a `hidden beast` number, since 5 + 7 + 0 + 560 + 7 + 7 + 75 + 5 = 666.

It is not a de Polignac number, because 57056077755 - 2⁷ = 57056077627 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42681 + ... + 340490.

It is an arithmetic number, because the mean of its divisors is an integer number (3172664160).

Almost surely, 2^57056077755 is an apocalyptic number.

57056077755 is a deficient number, since it is larger than the sum of its proper divisors (44469175365).

57056077755 is a wasteful number, since it uses less digits than its factorization.

57056077755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384288 (or 384282 counting only the distinct ones).

The product of its (nonzero) digits is 9003750, while the sum is 54.

The spelling of 57056077755 in words is "fifty-seven billion, fifty-six million, seventy-seven thousand, seven hundred fifty-five".