56806044677 has 2 divisors, whose sum is σ = 56806044678. Its totient is φ = 56806044676.

The previous prime is 56806044641. The next prime is 56806044679. The reversal of 56806044677 is 77644060865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31303871041 + 25502173636 = 176929^2 + 159694^2 .

It is a cyclic number.

It is not a de Polignac number, because 56806044677 - 2¹² = 56806040581 is a prime.

Together with 56806044679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56806044679) 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 as a sum of consecutive naturals, namely, 28403022338 + 28403022339.

It is an arithmetic number, because the mean of its divisors is an integer number (28403022339).

Almost surely, 2^56806044677 is an apocalyptic number.

It is an amenable number.

56806044677 is a deficient number, since it is larger than the sum of its proper divisors (1).

56806044677 is an equidigital number, since it uses as much as digits as its factorization.

56806044677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 56806044677 in words is "fifty-six billion, eight hundred six million, forty-four thousand, six hundred seventy-seven".