56207979 has 8 divisors (see below), whose sum is σ = 83271120. Its totient is φ = 37471968.

The previous prime is 56207971. The next prime is 56207981. The reversal of 56207979 is 97970265.

It is not a de Polignac number, because 56207979 - 2³ = 56207971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56207971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040862 + ... + 1040915.

It is an arithmetic number, because the mean of its divisors is an integer number (10408890).

Almost surely, 2^56207979 is an apocalyptic number.

56207979 is a deficient number, since it is larger than the sum of its proper divisors (27063141).

56207979 is a wasteful number, since it uses less digits than its factorization.

56207979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081786 (or 2081780 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 56207979 is about 7497.1980766150. The cubic root of 56207979 is about 383.0592817953.

The spelling of 56207979 in words is "fifty-six million, two hundred seven thousand, nine hundred seventy-nine".