557885 has 4 divisors (see below), whose sum is σ = 669468. Its totient is φ = 446304.

The previous prime is 557863. The next prime is 557891. The reversal of 557885 is 588755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588755 = 5 ⋅117751.

It can be written as a sum of positive squares in 2 ways, for example, as 174724 + 383161 = 418^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 557885 - 2¹⁰ = 556861 is a prime.

It is a super-2 number, since 2×557885² = 622471346450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55784 + ... + 55793.

It is an arithmetic number, because the mean of its divisors is an integer number (167367).

2⁵⁵⁷⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

557885 is a deficient number, since it is larger than the sum of its proper divisors (111583).

557885 is a wasteful number, since it uses less digits than its factorization.

557885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111582.

The product of its digits is 56000, while the sum is 38.

The square root of 557885 is about 746.9169967272. The cubic root of 557885 is about 82.3218070085.

The spelling of 557885 in words is "five hundred fifty-seven thousand, eight hundred eighty-five".