56979683 has 2 divisors, whose sum is σ = 56979684. Its totient is φ = 56979682.

The previous prime is 56979679. The next prime is 56979691. The reversal of 56979683 is 38697965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56979683 - 2² = 56979679 is a prime.

It is not a weakly prime, because it can be changed into another prime (56979653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28489841 + 28489842.

It is an arithmetic number, because the mean of its divisors is an integer number (28489842).

Almost surely, 2^56979683 is an apocalyptic number.

56979683 is a deficient number, since it is larger than the sum of its proper divisors (1).

56979683 is an equidigital number, since it uses as much as digits as its factorization.

56979683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 53.

The square root of 56979683 is about 7548.4887891551. The cubic root of 56979683 is about 384.8043825491.

The spelling of 56979683 in words is "fifty-six million, nine hundred seventy-nine thousand, six hundred eighty-three".