56311723601 has 24 divisors (see below), whose sum is σ = 66236665320. Its totient is φ = 47729267712.

The previous prime is 56311723597. The next prime is 56311723679. The reversal of 56311723601 is 10632711365.

It can be written as a sum of positive squares in 4 ways, for example, as 31692544576 + 24619179025 = 178024^2 + 156905^2 .

It is not a de Polignac number, because 56311723601 - 2² = 56311723597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56311723001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6521555 + ... + 6530183.

It is an arithmetic number, because the mean of its divisors is an integer number (2759861055).

Almost surely, 2^56311723601 is an apocalyptic number.

It is an amenable number.

56311723601 is a deficient number, since it is larger than the sum of its proper divisors (9924941719).

56311723601 is a wasteful number, since it uses less digits than its factorization.

56311723601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10113 (or 10106 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 56311723601 in words is "fifty-six billion, three hundred eleven million, seven hundred twenty-three thousand, six hundred one".