56697117306 has 16 divisors (see below), whose sum is σ = 113401398144. Its totient is φ = 18897845184.

The previous prime is 56697117293. The next prime is 56697117329. The reversal of 56697117306 is 60371179665.

It is a super-2 number, since 2×56697117306² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192706 + ... + 387981.

It is an arithmetic number, because the mean of its divisors is an integer number (7087587384).

Almost surely, 2^56697117306 is an apocalyptic number.

56697117306 is an abundant number, since it is smaller than the sum of its proper divisors (56704280838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56697117306 is a wasteful number, since it uses less digits than its factorization.

56697117306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596965.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 56697117306 in words is "fifty-six billion, six hundred ninety-seven million, one hundred seventeen thousand, three hundred six".