56425823 has 2 divisors, whose sum is σ = 56425824. Its totient is φ = 56425822.

The previous prime is 56425819. The next prime is 56425841. The reversal of 56425823 is 32852465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56425823 - 2² = 56425819 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56425813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28212911 + 28212912.

It is an arithmetic number, because the mean of its divisors is an integer number (28212912).

Almost surely, 2^56425823 is an apocalyptic number.

56425823 is a deficient number, since it is larger than the sum of its proper divisors (1).

56425823 is an equidigital number, since it uses as much as digits as its factorization.

56425823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 35.

The square root of 56425823 is about 7511.7123879978. The cubic root of 56425823 is about 383.5535152619.

The spelling of 56425823 in words is "fifty-six million, four hundred twenty-five thousand, eight hundred twenty-three".