56577573667 has 2 divisors, whose sum is σ = 56577573668. Its totient is φ = 56577573666.

The previous prime is 56577573641. The next prime is 56577573719. The reversal of 56577573667 is 76637577565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56577573667 - 2⁷ = 56577573539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56577573599 and 56577573608.

It is not a weakly prime, because it can be changed into another prime (56577574667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28288786833 + 28288786834.

It is an arithmetic number, because the mean of its divisors is an integer number (28288786834).

Almost surely, 2^56577573667 is an apocalyptic number.

56577573667 is a deficient number, since it is larger than the sum of its proper divisors (1).

56577573667 is an equidigital number, since it uses as much as digits as its factorization.

56577573667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194481000, while the sum is 64.

The spelling of 56577573667 in words is "fifty-six billion, five hundred seventy-seven million, five hundred seventy-three thousand, six hundred sixty-seven".