557887 has 8 divisors (see below), whose sum is σ = 623952. Its totient is φ = 494400.

The previous prime is 557863. The next prime is 557891. The reversal of 557887 is 788755.

557887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 557887 - 2⁷ = 557759 is a prime.

It is a super-2 number, since 2×557887² = 622475809538, 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 (557857) 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, 168 + ... + 1069.

It is an arithmetic number, because the mean of its divisors is an integer number (77994).

2⁵⁵⁷⁸⁸⁷ is an apocalyptic number.

557887 is a deficient number, since it is larger than the sum of its proper divisors (66065).

557887 is a wasteful number, since it uses less digits than its factorization.

557887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289.

The product of its digits is 78400, while the sum is 40.

The square root of 557887 is about 746.9183355629. The cubic root of 557887 is about 82.3219053821.

It can be divided in two parts, 5578 and 87, that added together give a palindrome (5665).

The spelling of 557887 in words is "five hundred fifty-seven thousand, eight hundred eighty-seven".