557879 has 4 divisors (see below), whose sum is σ = 637584. Its totient is φ = 478176.

The previous prime is 557863. The next prime is 557891. The reversal of 557879 is 978755.

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: 978755 = 5 ⋅195751.

It is a cyclic number.

It is not a de Polignac number, because 557879 - 2⁴ = 557863 is a prime.

It is a super-2 number, since 2×557879² = 622457957282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557899) 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, 39842 + ... + 39855.

It is an arithmetic number, because the mean of its divisors is an integer number (159396).

2⁵⁵⁷⁸⁷⁹ is an apocalyptic number.

557879 is a deficient number, since it is larger than the sum of its proper divisors (79705).

557879 is an equidigital number, since it uses as much as digits as its factorization.

557879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79704.

The product of its digits is 88200, while the sum is 41.

The square root of 557879 is about 746.9129802059. The cubic root of 557879 is about 82.3215118864.

The spelling of 557879 in words is "five hundred fifty-seven thousand, eight hundred seventy-nine".