56479817 has 2 divisors, whose sum is σ = 56479818. Its totient is φ = 56479816.

The previous prime is 56479793. The next prime is 56479823. The reversal of 56479817 is 71897465.

56479817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39702601 + 16777216 = 6301^2 + 4096^2 .

It is a cyclic number.

It is not a de Polignac number, because 56479817 - 2⁸ = 56479561 is a prime.

It is not a weakly prime, because it can be changed into another prime (56479867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28239908 + 28239909.

It is an arithmetic number, because the mean of its divisors is an integer number (28239909).

Almost surely, 2^56479817 is an apocalyptic number.

It is an amenable number.

56479817 is a deficient number, since it is larger than the sum of its proper divisors (1).

56479817 is an equidigital number, since it uses as much as digits as its factorization.

56479817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 56479817 is about 7515.3055160785. The cubic root of 56479817 is about 383.6758173406.

The spelling of 56479817 in words is "fifty-six million, four hundred seventy-nine thousand, eight hundred seventeen".