57276566055 has 12 divisors (see below), whose sum is σ = 99279381240. Its totient is φ = 30547501872.

The previous prime is 57276566023. The next prime is 57276566089. The reversal of 57276566055 is 55066567275.

It is a happy number.

57276566055 is a `hidden beast` number, since 5 + 7 + 2 + 76 + 566 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 57276566055 - 2⁵ = 57276566023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57276565992 and 57276566010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 636406245 + ... + 636406334.

It is an arithmetic number, because the mean of its divisors is an integer number (8273281770).

Almost surely, 2^57276566055 is an apocalyptic number.

57276566055 is a deficient number, since it is larger than the sum of its proper divisors (42002815185).

57276566055 is a wasteful number, since it uses less digits than its factorization.

57276566055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272812590 (or 1272812587 counting only the distinct ones).

The product of its (nonzero) digits is 13230000, while the sum is 54.

The spelling of 57276566055 in words is "fifty-seven billion, two hundred seventy-six million, five hundred sixty-six thousand, fifty-five".