56706657155 has 32 divisors (see below), whose sum is σ = 74459824128. Its totient is φ = 41272358400.

The previous prime is 56706657127. The next prime is 56706657169. The reversal of 56706657155 is 55175660765.

It is not a de Polignac number, because 56706657155 - 2⁸ = 56706656899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56706657097 and 56706657106.

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, 2388674 + ... + 2412296.

It is an arithmetic number, because the mean of its divisors is an integer number (2326869504).

Almost surely, 2^56706657155 is an apocalyptic number.

56706657155 is a deficient number, since it is larger than the sum of its proper divisors (17753166973).

56706657155 is a wasteful number, since it uses less digits than its factorization.

56706657155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24587.

The product of its (nonzero) digits is 6615000, while the sum is 53.

The spelling of 56706657155 in words is "fifty-six billion, seven hundred six million, six hundred fifty-seven thousand, one hundred fifty-five".