255455 has 8 divisors (see below), whose sum is σ = 322800. Its totient is φ = 193536.

The previous prime is 255443. The next prime is 255457. The reversal of 255455 is 554552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255455 - 2¹² = 251359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255457) 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, 1250 + ... + 1439.

It is an arithmetic number, because the mean of its divisors is an integer number (40350).

2²⁵⁵⁴⁵⁵ is an apocalyptic number.

255455 is a deficient number, since it is larger than the sum of its proper divisors (67345).

255455 is a wasteful number, since it uses less digits than its factorization.

255455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713.

The product of its digits is 5000, while the sum is 26.

The square root of 255455 is about 505.4255632633. The cubic root of 255455 is about 63.4509510251.

The spelling of 255455 in words is "two hundred fifty-five thousand, four hundred fifty-five".