56816554883 has 16 divisors (see below), whose sum is σ = 64857587712. Its totient is φ = 49300488000.

The previous prime is 56816554849. The next prime is 56816554889. The reversal of 56816554883 is 38845561865.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56816554883 - 2³⁰ = 55742813059 is a prime.

It is a super-2 number, since 2×56816554883² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56816554889) 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, 1116323 + ... + 1166108.

It is an arithmetic number, because the mean of its divisors is an integer number (4053599232).

Almost surely, 2^56816554883 is an apocalyptic number.

56816554883 is a deficient number, since it is larger than the sum of its proper divisors (8041032829).

56816554883 is a wasteful number, since it uses less digits than its factorization.

56816554883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282546.

The product of its digits is 27648000, while the sum is 59.

The spelling of 56816554883 in words is "fifty-six billion, eight hundred sixteen million, five hundred fifty-four thousand, eight hundred eighty-three".