255455215 has 16 divisors (see below), whose sum is σ = 322519680. Its totient is φ = 193985280.

The previous prime is 255455203. The next prime is 255455261. The reversal of 255455215 is 512554552.

It is a de Polignac number, because none of the positive numbers 2^k-255455215 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9255 + ... + 24424.

It is an arithmetic number, because the mean of its divisors is an integer number (20157480).

Almost surely, 2^255455215 is an apocalyptic number.

255455215 is a deficient number, since it is larger than the sum of its proper divisors (67064465).

255455215 is a wasteful number, since it uses less digits than its factorization.

255455215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33762.

The product of its digits is 50000, while the sum is 34.

The square root of 255455215 is about 15982.9664017666. The cubic root of 255455215 is about 634.5096882594.

The spelling of 255455215 in words is "two hundred fifty-five million, four hundred fifty-five thousand, two hundred fifteen".