255522055 has 8 divisors (see below), whose sum is σ = 308080944. Its totient is φ = 203448000.

The previous prime is 255521989. The next prime is 255522073. The reversal of 255522055 is 550225552.

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

It is not a de Polignac number, because 255522055 - 2¹⁹ = 254997767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120046 + ... + 122155.

It is an arithmetic number, because the mean of its divisors is an integer number (38510118).

Almost surely, 2^255522055 is an apocalyptic number.

255522055 is a deficient number, since it is larger than the sum of its proper divisors (52558889).

255522055 is a wasteful number, since it uses less digits than its factorization.

255522055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242417.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 255522055 is about 15985.0572410611. The cubic root of 255522055 is about 634.5650233719.

The spelling of 255522055 in words is "two hundred fifty-five million, five hundred twenty-two thousand, fifty-five".