56165600601 has 48 divisors (see below), whose sum is σ = 89302262400. Its totient is φ = 33733877760.

The previous prime is 56165600599. The next prime is 56165600653. The reversal of 56165600601 is 10600656165.

It is not a de Polignac number, because 56165600601 - 2¹ = 56165600599 is a prime.

It is a super-2 number, since 2×56165600601² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56165601601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5057611 + ... + 5068703.

It is an arithmetic number, because the mean of its divisors is an integer number (1860463800).

Almost surely, 2^56165600601 is an apocalyptic number.

It is an amenable number.

56165600601 is a deficient number, since it is larger than the sum of its proper divisors (33136661799).

56165600601 is a wasteful number, since it uses less digits than its factorization.

56165600601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11566 (or 11563 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 56165600601 in words is "fifty-six billion, one hundred sixty-five million, six hundred thousand, six hundred one".