255530502 has 48 divisors (see below), whose sum is σ = 587910960. Its totient is φ = 79934976.

The previous prime is 255530501. The next prime is 255530549. The reversal of 255530502 is 205035552.

255530502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255530501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127218 + ... + 129210.

It is an arithmetic number, because the mean of its divisors is an integer number (12248145).

Almost surely, 2^255530502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255530502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293955480).

255530502 is an abundant number, since it is smaller than the sum of its proper divisors (332380458).

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

255530502 is a wasteful number, since it uses less digits than its factorization.

255530502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437 (or 2434 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 255530502 is about 15985.3214543843. The cubic root of 255530502 is about 634.5720157386.

The spelling of 255530502 in words is "two hundred fifty-five million, five hundred thirty thousand, five hundred two".