56667900735 has 12 divisors (see below), whose sum is σ = 98224361352. Its totient is φ = 30222880368.

The previous prime is 56667900701. The next prime is 56667900763. The reversal of 56667900735 is 53700976665.

It is not a de Polignac number, because 56667900735 - 2⁸ = 56667900479 is a prime.

It is a super-2 number, since 2×56667900735² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 629643297 + ... + 629643386.

It is an arithmetic number, because the mean of its divisors is an integer number (8185363446).

Almost surely, 2^56667900735 is an apocalyptic number.

56667900735 is a deficient number, since it is larger than the sum of its proper divisors (41556460617).

56667900735 is a wasteful number, since it uses less digits than its factorization.

56667900735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259286694 (or 1259286691 counting only the distinct ones).

The product of its (nonzero) digits is 7144200, while the sum is 54.

The spelling of 56667900735 in words is "fifty-six billion, six hundred sixty-seven million, nine hundred thousand, seven hundred thirty-five".