56968939 has 4 divisors (see below), whose sum is σ = 57037680. Its totient is φ = 56900200.

The previous prime is 56968931. The next prime is 56968943. The reversal of 56968939 is 93986965.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56968939 - 2³ = 56968931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56968939.

It is not an unprimeable number, because it can be changed into a prime (56968931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33112 + ... + 34789.

It is an arithmetic number, because the mean of its divisors is an integer number (14259420).

Almost surely, 2^56968939 is an apocalyptic number.

56968939 is a deficient number, since it is larger than the sum of its proper divisors (68741).

56968939 is an equidigital number, since it uses as much as digits as its factorization.

56968939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68740.

The product of its digits is 3149280, while the sum is 55.

The square root of 56968939 is about 7547.7770899782. Note that the first 3 decimals coincide. The cubic root of 56968939 is about 384.7801949911.

The spelling of 56968939 in words is "fifty-six million, nine hundred sixty-eight thousand, nine hundred thirty-nine".