56615997165296 has 40 divisors (see below), whose sum is σ = 112090232146944. Its totient is φ = 27690161273280.

The previous prime is 56615997165283. The next prime is 56615997165307. The reversal of 56615997165296 is 69256179951665.

It is a super-2 number, since 2×56615997165296² (a number of 28 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 7 ways as a sum of consecutive naturals, for example, 19771700 + ... + 22453331.

Almost surely, 2^{56615997165296} is an apocalyptic number.

It is an amenable number.

56615997165296 is a deficient number, since it is larger than the sum of its proper divisors (55474234981648).

56615997165296 is a wasteful number, since it uses less digits than its factorization.

56615997165296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42226869 (or 42226863 counting only the distinct ones).

The product of its digits is 1653372000, while the sum is 77.

The spelling of 56615997165296 in words is "fifty-six trillion, six hundred fifteen billion, nine hundred ninety-seven million, one hundred sixty-five thousand, two hundred ninety-six".