255496 has 16 divisors (see below), whose sum is σ = 485100. Its totient is φ = 126144.

The previous prime is 255487. The next prime is 255499. The reversal of 255496 is 694552.

It can be written as a sum of positive squares in 2 ways, for example, as 220900 + 34596 = 470^2 + 186^2 .

It is not an unprimeable number, because it can be changed into a prime (255499) by changing a digit.

255496 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726 + ... + 1018.

2²⁵⁵⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

255496 is a deficient number, since it is larger than the sum of its proper divisors (229604).

255496 is a wasteful number, since it uses less digits than its factorization.

255496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 404 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 255496 is about 505.4661215156. The cubic root of 255496 is about 63.4543454257.

The spelling of 255496 in words is "two hundred fifty-five thousand, four hundred ninety-six".