56450879 has 2 divisors, whose sum is σ = 56450880. Its totient is φ = 56450878.

The previous prime is 56450861. The next prime is 56450909. The reversal of 56450879 is 97805465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56450879 - 2²⁴ = 39673663 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56450179) 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, 28225439 + 28225440.

It is an arithmetic number, because the mean of its divisors is an integer number (28225440).

Almost surely, 2^56450879 is an apocalyptic number.

56450879 is a deficient number, since it is larger than the sum of its proper divisors (1).

56450879 is an equidigital number, since it uses as much as digits as its factorization.

56450879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 56450879 is about 7513.3799983762. The cubic root of 56450879 is about 383.6102794302.

The spelling of 56450879 in words is "fifty-six million, four hundred fifty thousand, eight hundred seventy-nine".