255891102 has 16 divisors (see below), whose sum is σ = 521439120. Its totient is φ = 83687552.

The previous prime is 255891091. The next prime is 255891113. The reversal of 255891102 is 201198552.

255891102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255891091) and next prime (255891113).

It is a congruent number.

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, 402027 + ... + 402662.

It is an arithmetic number, because the mean of its divisors is an integer number (32589945).

Almost surely, 2^255891102 is an apocalyptic number.

255891102 is an abundant number, since it is smaller than the sum of its proper divisors (265548018).

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

255891102 is a wasteful number, since it uses less digits than its factorization.

255891102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804747.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 255891102 is about 15996.5965755219. The cubic root of 255891102 is about 634.8703742681.

The spelling of 255891102 in words is "two hundred fifty-five million, eight hundred ninety-one thousand, one hundred two".