557889 has 8 divisors (see below), whose sum is σ = 787680. Its totient is φ = 350016.

The previous prime is 557863. The next prime is 557891. The reversal of 557889 is 988755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 557889 - 2⁵ = 557857 is a prime.

It is a super-2 number, since 2×557889² = 622480272642, which contains 22 as substring.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 557889.

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 7 ways as a sum of consecutive naturals, for example, 5419 + ... + 5520.

It is an arithmetic number, because the mean of its divisors is an integer number (98460).

2⁵⁵⁷⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

557889 is a deficient number, since it is larger than the sum of its proper divisors (229791).

557889 is a wasteful number, since it uses less digits than its factorization.

557889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10959.

The product of its digits is 100800, while the sum is 42.

The square root of 557889 is about 746.9196743961. The cubic root of 557889 is about 82.3220037554.

The spelling of 557889 in words is "five hundred fifty-seven thousand, eight hundred eighty-nine".