555894 has 24 divisors (see below), whose sum is σ = 1221480. Its totient is φ = 182688.

The previous prime is 555871. The next prime is 555931. The reversal of 555894 is 498555.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1429 + ... + 1775.

It is an arithmetic number, because the mean of its divisors is an integer number (50895).

2⁵⁵⁵⁸⁹⁴ is an apocalyptic number.

555894 is an abundant number, since it is smaller than the sum of its proper divisors (665586).

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

555894 is a wasteful number, since it uses less digits than its factorization.

555894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 441 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 555894 is about 745.5829933683. The cubic root of 555894 is about 82.2237592711.

The spelling of 555894 in words is "five hundred fifty-five thousand, eight hundred ninety-four".