557994 has 16 divisors (see below), whose sum is σ = 1127232. Its totient is φ = 184128.

The previous prime is 557987. The next prime is 558007. The reversal of 557994 is 499755.

It is a super-2 number, since 2×557994² = 622714608072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267 + ... + 1089.

It is an arithmetic number, because the mean of its divisors is an integer number (70452).

2⁵⁵⁷⁹⁹⁴ is an apocalyptic number.

557994 is an abundant number, since it is smaller than the sum of its proper divisors (569238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557994 is a wasteful number, since it uses less digits than its factorization.

557994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941.

The product of its digits is 56700, while the sum is 39.

The square root of 557994 is about 746.9899597719. The cubic root of 557994 is about 82.3271680253.

It can be divided in two parts, 557 and 994, that added together give a palindrome (1551).

The spelling of 557994 in words is "five hundred fifty-seven thousand, nine hundred ninety-four".