91374255 has 48 divisors (see below), whose sum is σ = 182767104. Its totient is φ = 41365440.

The previous prime is 91374223. The next prime is 91374259. The reversal of 91374255 is 55247319.

It is not a de Polignac number, because 91374255 - 2⁵ = 91374223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91374259) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32350 + ... + 35060.

It is an arithmetic number, because the mean of its divisors is an integer number (3807648).

Almost surely, 2^91374255 is an apocalyptic number.

91374255 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

91374255 is a wasteful number, since it uses less digits than its factorization.

91374255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836 (or 2833 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 91374255 is about 9558.9881786725. The cubic root of 91374255 is about 450.4099227681.

The spelling of 91374255 in words is "ninety-one million, three hundred seventy-four thousand, two hundred fifty-five".