56572339 has 2 divisors, whose sum is σ = 56572340. Its totient is φ = 56572338.

The previous prime is 56572337. The next prime is 56572343. The reversal of 56572339 is 93327565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56572339 - 2¹ = 56572337 is a prime.

Together with 56572337, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56572331) 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, 28286169 + 28286170.

It is an arithmetic number, because the mean of its divisors is an integer number (28286170).

Almost surely, 2^56572339 is an apocalyptic number.

56572339 is a deficient number, since it is larger than the sum of its proper divisors (1).

56572339 is an equidigital number, since it uses as much as digits as its factorization.

56572339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 40.

The square root of 56572339 is about 7521.4585686554. The cubic root of 56572339 is about 383.8852082914.

The spelling of 56572339 in words is "fifty-six million, five hundred seventy-two thousand, three hundred thirty-nine".