56797809045 has 16 divisors (see below), whose sum is σ = 91776264192. Its totient is φ = 29992241600.

The previous prime is 56797809041. The next prime is 56797809091. The reversal of 56797809045 is 54090879765.

It is not a de Polignac number, because 56797809045 - 2² = 56797809041 is a prime.

It is a super-2 number, since 2×56797809045² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56797809045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56797809041) 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 15 ways as a sum of consecutive naturals, for example, 18743637 + ... + 18746666.

It is an arithmetic number, because the mean of its divisors is an integer number (5736016512).

Almost surely, 2^56797809045 is an apocalyptic number.

It is an amenable number.

56797809045 is a deficient number, since it is larger than the sum of its proper divisors (34978455147).

56797809045 is a wasteful number, since it uses less digits than its factorization.

56797809045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37490412.

The product of its (nonzero) digits is 19051200, while the sum is 60.

The spelling of 56797809045 in words is "fifty-six billion, seven hundred ninety-seven million, eight hundred nine thousand, forty-five".