255588 has 36 divisors (see below), whose sum is σ = 640080. Its totient is φ = 79344.

The previous prime is 255587. The next prime is 255589. The reversal of 255588 is 885552.

It is an interprime number because it is at equal distance from previous prime (255587) and next prime (255589).

It is a plaindrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255588.

It is not an unprimeable number, because it can be changed into a prime (255587) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4303 + ... + 4361.

It is an arithmetic number, because the mean of its divisors is an integer number (17780).

2²⁵⁵⁵⁸⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320040).

255588 is an abundant number, since it is smaller than the sum of its proper divisors (384492).

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

255588 is a wasteful number, since it uses less digits than its factorization.

255588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 83 counting only the distinct ones).

The product of its digits is 16000, while the sum is 33.

The square root of 255588 is about 505.5571184347. The cubic root of 255588 is about 63.4619608081.

The spelling of 255588 in words is "two hundred fifty-five thousand, five hundred eighty-eight".