56771606255 has 32 divisors (see below), whose sum is σ = 86738601600. Its totient is φ = 34695424512.

The previous prime is 56771606251. The next prime is 56771606273. The reversal of 56771606255 is 55260617765.

It is not a de Polignac number, because 56771606255 - 2² = 56771606251 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56771606251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2138060 + ... + 2164449.

It is an arithmetic number, because the mean of its divisors is an integer number (2710581300).

Almost surely, 2^56771606255 is an apocalyptic number.

56771606255 is a deficient number, since it is larger than the sum of its proper divisors (29966995345).

56771606255 is a wasteful number, since it uses less digits than its factorization.

56771606255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302563.

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 56771606255 in words is "fifty-six billion, seven hundred seventy-one million, six hundred six thousand, two hundred fifty-five".