56968889 has 2 divisors, whose sum is σ = 56968890. Its totient is φ = 56968888.

The previous prime is 56968831. The next prime is 56968903. The reversal of 56968889 is 98886965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43033600 + 13935289 = 6560^2 + 3733^2 .

It is a cyclic number.

It is not a de Polignac number, because 56968889 - 2²⁴ = 40191673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56968829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28484444 + 28484445.

It is an arithmetic number, because the mean of its divisors is an integer number (28484445).

Almost surely, 2^56968889 is an apocalyptic number.

It is an amenable number.

56968889 is a deficient number, since it is larger than the sum of its proper divisors (1).

56968889 is an equidigital number, since it uses as much as digits as its factorization.

56968889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 59.

The square root of 56968889 is about 7547.7737777440. The cubic root of 56968889 is about 384.7800824209.

The spelling of 56968889 in words is "fifty-six million, nine hundred sixty-eight thousand, eight hundred eighty-nine".