56479873 has 4 divisors (see below), whose sum is σ = 56726740. Its totient is φ = 56233008.

The previous prime is 56479867. The next prime is 56479883. The reversal of 56479873 is 37897465.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37897465 = 5 ⋅7579493.

It can be written as a sum of positive squares in 2 ways, for example, as 53406864 + 3073009 = 7308^2 + 1753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56479873 is a prime.

It is a super-2 number, since 2×56479873² = 6379952108192258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56479823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123090 + ... + 123547.

It is an arithmetic number, because the mean of its divisors is an integer number (14181685).

Almost surely, 2^56479873 is an apocalyptic number.

It is an amenable number.

56479873 is a deficient number, since it is larger than the sum of its proper divisors (246867).

56479873 is a wasteful number, since it uses less digits than its factorization.

56479873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246866.

The product of its digits is 1270080, while the sum is 49.

The square root of 56479873 is about 7515.3092418077. The cubic root of 56479873 is about 383.6759441460.

The spelling of 56479873 in words is "fifty-six million, four hundred seventy-nine thousand, eight hundred seventy-three".