255056 has 20 divisors (see below), whose sum is σ = 520800. Its totient is φ = 120672.

The previous prime is 255053. The next prime is 255071. The reversal of 255056 is 650552.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255056.

It is not an unprimeable number, because it can be changed into a prime (255053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116 + ... + 723.

It is an arithmetic number, because the mean of its divisors is an integer number (26040).

2²⁵⁵⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

255056 is an abundant number, since it is smaller than the sum of its proper divisors (265744).

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

255056 is a wasteful number, since it uses less digits than its factorization.

255056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 255056 is about 505.0306921366. The cubic root of 255056 is about 63.4178987303.

The spelling of 255056 in words is "two hundred fifty-five thousand, fifty-six".