56688088665 has 32 divisors (see below), whose sum is σ = 97691440896. Its totient is φ = 27904124160.

The previous prime is 56688088621. The next prime is 56688088703.

56688088665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56688088665 - 2⁸ = 56688088409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56688088596 and 56688088605.

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, 1829532 + ... + 1860258.

It is an arithmetic number, because the mean of its divisors is an integer number (3052857528).

Almost surely, 2^56688088665 is an apocalyptic number.

It is an amenable number.

56688088665 is a deficient number, since it is larger than the sum of its proper divisors (41003352231).

56688088665 is a wasteful number, since it uses less digits than its factorization.

56688088665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40209.

The product of its (nonzero) digits is 132710400, while the sum is 66.

The spelling of 56688088665 in words is "fifty-six billion, six hundred eighty-eight million, eighty-eight thousand, six hundred sixty-five".