255550099 has 16 divisors (see below), whose sum is σ = 296726976. Its totient is φ = 215568000.

The previous prime is 255550093. The next prime is 255550109. The reversal of 255550099 is 990055552.

It is a cyclic number.

It is not a de Polignac number, because 255550099 - 2¹⁵ = 255517331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255550093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126969 + ... + 128965.

It is an arithmetic number, because the mean of its divisors is an integer number (18545436).

Almost surely, 2^255550099 is an apocalyptic number.

255550099 is a deficient number, since it is larger than the sum of its proper divisors (41176877).

255550099 is a wasteful number, since it uses less digits than its factorization.

255550099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286.

The product of its (nonzero) digits is 101250, while the sum is 40.

The square root of 255550099 is about 15985.9344112254. The cubic root of 255550099 is about 634.5882374026.

The spelling of 255550099 in words is "two hundred fifty-five million, five hundred fifty thousand, ninety-nine".