56575500379 has 2 divisors, whose sum is σ = 56575500380. Its totient is φ = 56575500378.

The previous prime is 56575500323. The next prime is 56575500389. The reversal of 56575500379 is 97300557565.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56575500379 is a prime.

It is not a weakly prime, because it can be changed into another prime (56575500389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28287750189 + 28287750190.

It is an arithmetic number, because the mean of its divisors is an integer number (28287750190).

Almost surely, 2^56575500379 is an apocalyptic number.

56575500379 is a deficient number, since it is larger than the sum of its proper divisors (1).

56575500379 is an equidigital number, since it uses as much as digits as its factorization.

56575500379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4961250, while the sum is 52.

The spelling of 56575500379 in words is "fifty-six billion, five hundred seventy-five million, five hundred thousand, three hundred seventy-nine".