56573479 has 2 divisors, whose sum is σ = 56573480. Its totient is φ = 56573478.

The previous prime is 56573453. The next prime is 56573513. The reversal of 56573479 is 97437565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56573479 - 2¹³ = 56565287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56573579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28286739 + 28286740.

It is an arithmetic number, because the mean of its divisors is an integer number (28286740).

Almost surely, 2^56573479 is an apocalyptic number.

56573479 is a deficient number, since it is larger than the sum of its proper divisors (1).

56573479 is an equidigital number, since it uses as much as digits as its factorization.

56573479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 793800, while the sum is 46.

The square root of 56573479 is about 7521.5343514472. The cubic root of 56573479 is about 383.8877868554.

The spelling of 56573479 in words is "fifty-six million, five hundred seventy-three thousand, four hundred seventy-nine".