56985923 has 2 divisors, whose sum is σ = 56985924. Its totient is φ = 56985922.

The previous prime is 56985869. The next prime is 56985931. The reversal of 56985923 is 32958965.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56985923 - 2¹⁰ = 56984899 is a prime.

It is not a weakly prime, because it can be changed into another prime (56985983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28492961 + 28492962.

It is an arithmetic number, because the mean of its divisors is an integer number (28492962).

Almost surely, 2^56985923 is an apocalyptic number.

56985923 is a deficient number, since it is larger than the sum of its proper divisors (1).

56985923 is an equidigital number, since it uses as much as digits as its factorization.

56985923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 47.

The square root of 56985923 is about 7548.9021056045. The cubic root of 56985923 is about 384.8184290278.

The spelling of 56985923 in words is "fifty-six million, nine hundred eighty-five thousand, nine hundred twenty-three".