255091100 has 36 divisors (see below), whose sum is σ = 603872808. Its totient is φ = 92760000.

The previous prime is 255091099. The next prime is 255091117. The reversal of 255091100 is 1190552.

255091100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114851 + ... + 117050.

Almost surely, 2^255091100 is an apocalyptic number.

255091100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255091100 is an abundant number, since it is smaller than the sum of its proper divisors (348781708).

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

255091100 is a wasteful number, since it uses less digits than its factorization.

255091100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231926 (or 231919 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 255091100 is about 15971.5716195996. The cubic root of 255091100 is about 634.2080772039.

The spelling of 255091100 in words is "two hundred fifty-five million, ninety-one thousand, one hundred".