557873 has 4 divisors (see below), whose sum is σ = 577140. Its totient is φ = 538608.

The previous prime is 557863. The next prime is 557891. The reversal of 557873 is 378755.

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

It can be written as a sum of positive squares in 2 ways, for example, as 169744 + 388129 = 412^2 + 623^2 .

It is a cyclic number.

It is not a de Polignac number, because 557873 - 2⁴ = 557857 is a prime.

It is a super-2 number, since 2×557873² = 622444568258, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (557803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9590 + ... + 9647.

It is an arithmetic number, because the mean of its divisors is an integer number (144285).

2⁵⁵⁷⁸⁷³ is an apocalyptic number.

It is an amenable number.

557873 is a deficient number, since it is larger than the sum of its proper divisors (19267).

557873 is a wasteful number, since it uses less digits than its factorization.

557873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19266.

The product of its digits is 29400, while the sum is 35.

The square root of 557873 is about 746.9089636629. The cubic root of 557873 is about 82.3212167621.

The spelling of 557873 in words is "five hundred fifty-seven thousand, eight hundred seventy-three".