56029979 has 2 divisors, whose sum is σ = 56029980. Its totient is φ = 56029978.

The previous prime is 56029949. The next prime is 56030027. The reversal of 56029979 is 97992065.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56029979 is a prime.

It is not a weakly prime, because it can be changed into another prime (56029949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28014989 + 28014990.

It is an arithmetic number, because the mean of its divisors is an integer number (28014990).

Almost surely, 2^56029979 is an apocalyptic number.

56029979 is a deficient number, since it is larger than the sum of its proper divisors (1).

56029979 is an equidigital number, since it uses as much as digits as its factorization.

56029979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 56029979 is about 7485.3175617338. The cubic root of 56029979 is about 382.6544955229.

The spelling of 56029979 in words is "fifty-six million, twenty-nine thousand, nine hundred seventy-nine".