56979719 has 2 divisors, whose sum is σ = 56979720. Its totient is φ = 56979718.

The previous prime is 56979691. The next prime is 56979737. The reversal of 56979719 is 91797965.

56979719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56979719 - 2²⁰ = 55931143 is a prime.

It is a super-2 number, since 2×56979719² = 6493376754637922, 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 (56979919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28489859 + 28489860.

It is an arithmetic number, because the mean of its divisors is an integer number (28489860).

Almost surely, 2^56979719 is an apocalyptic number.

56979719 is a deficient number, since it is larger than the sum of its proper divisors (1).

56979719 is an equidigital number, since it uses as much as digits as its factorization.

56979719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1071630, while the sum is 53.

The square root of 56979719 is about 7548.4911737380. The cubic root of 56979719 is about 384.8044635895.

The spelling of 56979719 in words is "fifty-six million, nine hundred seventy-nine thousand, seven hundred nineteen".