255550256 has 40 divisors (see below), whose sum is σ = 564588864. Its totient is φ = 111006720.

The previous prime is 255550223. The next prime is 255550303. The reversal of 255550256 is 652055552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32600 + ... + 39671.

Almost surely, 2^255550256 is an apocalyptic number.

255550256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

255550256 is an abundant number, since it is smaller than the sum of its proper divisors (309038608).

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

255550256 is a wasteful number, since it uses less digits than its factorization.

255550256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72309 (or 72303 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The square root of 255550256 is about 15985.9393217915. The cubic root of 255550256 is about 634.5883673580.

The spelling of 255550256 in words is "two hundred fifty-five million, five hundred fifty thousand, two hundred fifty-six".