56133579677 has 4 divisors (see below), whose sum is σ = 64152662496. Its totient is φ = 48114496860.

The previous prime is 56133579653. The next prime is 56133579703. The reversal of 56133579677 is 77697533165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56133579677 - 2²² = 56129385373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56133579077) 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 3 ways as a sum of consecutive naturals, for example, 4009541399 + ... + 4009541412.

It is an arithmetic number, because the mean of its divisors is an integer number (16038165624).

Almost surely, 2^56133579677 is an apocalyptic number.

It is an amenable number.

56133579677 is a deficient number, since it is larger than the sum of its proper divisors (8019082819).

56133579677 is an equidigital number, since it uses as much as digits as its factorization.

56133579677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8019082818.

The product of its digits is 25004700, while the sum is 59.

The spelling of 56133579677 in words is "fifty-six billion, one hundred thirty-three million, five hundred seventy-nine thousand, six hundred seventy-seven".