56562719 has 2 divisors, whose sum is σ = 56562720. Its totient is φ = 56562718.

The previous prime is 56562691. The next prime is 56562743. The reversal of 56562719 is 91726565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56562719 - 2⁸ = 56562463 is a prime.

It is a super-2 number, since 2×56562719² = 6398682361345922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56561719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28281359 + 28281360.

It is an arithmetic number, because the mean of its divisors is an integer number (28281360).

Almost surely, 2^56562719 is an apocalyptic number.

56562719 is a deficient number, since it is larger than the sum of its proper divisors (1).

56562719 is an equidigital number, since it uses as much as digits as its factorization.

56562719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The square root of 56562719 is about 7520.8190378442. The cubic root of 56562719 is about 383.8634474502.

The spelling of 56562719 in words is "fifty-six million, five hundred sixty-two thousand, seven hundred nineteen".