56716595737 has 2 divisors, whose sum is σ = 56716595738. Its totient is φ = 56716595736.

The previous prime is 56716595687. The next prime is 56716595759. The reversal of 56716595737 is 73759561765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36031252761 + 20685342976 = 189819^2 + 143824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56716595737 is a prime.

It is a super-3 number, since 3×56716595737³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (56716595777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28358297868 + 28358297869.

It is an arithmetic number, because the mean of its divisors is an integer number (28358297869).

Almost surely, 2^56716595737 is an apocalyptic number.

It is an amenable number.

56716595737 is a deficient number, since it is larger than the sum of its proper divisors (1).

56716595737 is an equidigital number, since it uses as much as digits as its factorization.

56716595737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41674500, while the sum is 61.

The spelling of 56716595737 in words is "fifty-six billion, seven hundred sixteen million, five hundred ninety-five thousand, seven hundred thirty-seven".