56286979 has 8 divisors (see below), whose sum is σ = 66403328. Its totient is φ = 46689480.

The previous prime is 56286977. The next prime is 56286991. The reversal of 56286979 is 97968265.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56286979 - 2¹ = 56286977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56286977) 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, 129477 + ... + 129910.

It is an arithmetic number, because the mean of its divisors is an integer number (8300416).

Almost surely, 2^56286979 is an apocalyptic number.

56286979 is a deficient number, since it is larger than the sum of its proper divisors (10116349).

56286979 is a wasteful number, since it uses less digits than its factorization.

56286979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259425.

The product of its digits is 1632960, while the sum is 52.

The square root of 56286979 is about 7502.4648616305. The cubic root of 56286979 is about 383.2386603422.

The spelling of 56286979 in words is "fifty-six million, two hundred eighty-six thousand, nine hundred seventy-nine".