56677745359 has 2 divisors, whose sum is σ = 56677745360. Its totient is φ = 56677745358.

The previous prime is 56677745347. The next prime is 56677745363. The reversal of 56677745359 is 95354777665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56677745359 - 2¹⁵ = 56677712591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56677745359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56677748359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28338872679 + 28338872680.

It is an arithmetic number, because the mean of its divisors is an integer number (28338872680).

Almost surely, 2^56677745359 is an apocalyptic number.

56677745359 is a deficient number, since it is larger than the sum of its proper divisors (1).

56677745359 is an equidigital number, since it uses as much as digits as its factorization.

56677745359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 166698000, while the sum is 64.

The spelling of 56677745359 in words is "fifty-six billion, six hundred seventy-seven million, seven hundred forty-five thousand, three hundred fifty-nine".