557480879 has 4 divisors (see below), whose sum is σ = 558012360. Its totient is φ = 556949400.

The previous prime is 557480863. The next prime is 557480893. The reversal of 557480879 is 978084755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 557480879 - 2⁴ = 557480863 is a prime.

It is a super-2 number, since 2×557480879² = 621569860901225282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 557480879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557480839) 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, 264164 + ... + 266265.

It is an arithmetic number, because the mean of its divisors is an integer number (139503090).

Almost surely, 2^557480879 is an apocalyptic number.

557480879 is a deficient number, since it is larger than the sum of its proper divisors (531481).

557480879 is a wasteful number, since it uses less digits than its factorization.

557480879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531480.

The product of its (nonzero) digits is 2822400, while the sum is 53.

The square root of 557480879 is about 23611.0329930734. The cubic root of 557480879 is about 823.0192477045.

The spelling of 557480879 in words is "five hundred fifty-seven million, four hundred eighty thousand, eight hundred seventy-nine".