255594 has 16 divisors (see below), whose sum is σ = 524160. Its totient is φ = 83040.

The previous prime is 255589. The next prime is 255613. The reversal of 255594 is 495552.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274 + ... + 765.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2²⁵⁵⁵⁹⁴ is an apocalyptic number.

255594 is an abundant number, since it is smaller than the sum of its proper divisors (268566).

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

255594 is a wasteful number, since it uses less digits than its factorization.

255594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085.

The product of its digits is 9000, while the sum is 30.

The square root of 255594 is about 505.5630524475. The cubic root of 255594 is about 63.4624574000.

The spelling of 255594 in words is "two hundred fifty-five thousand, five hundred ninety-four".