255502 has 16 divisors (see below), whose sum is σ = 427392. Its totient is φ = 113760.

The previous prime is 255499. The next prime is 255503. The reversal of 255502 is 205552.

It is a self number, because there is not a number n which added to its sum of digits gives 255502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648 + ... + 964.

It is an arithmetic number, because the mean of its divisors is an integer number (26712).

2²⁵⁵⁵⁰² is an apocalyptic number.

255502 is a deficient number, since it is larger than the sum of its proper divisors (171890).

255502 is a wasteful number, since it uses less digits than its factorization.

255502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 255502 is about 505.4720565966. The cubic root of 255502 is about 63.4548421368.

It can be divided in two parts, 25550 and 2, that added together give a palindrome (25552).

The spelling of 255502 in words is "two hundred fifty-five thousand, five hundred two".