91254755 has 8 divisors (see below), whose sum is σ = 109598400. Its totient is φ = 72942016.

The previous prime is 91254749. The next prime is 91254767. The reversal of 91254755 is 55745219.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 91254755 - 2¹⁰ = 91253731 is a prime.

It is a super-2 number, since 2×91254755² = 16654860620220050, which contains 22 as substring.

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, 635 + ... + 13524.

It is an arithmetic number, because the mean of its divisors is an integer number (13699800).

Almost surely, 2^91254755 is an apocalyptic number.

91254755 is a deficient number, since it is larger than the sum of its proper divisors (18343645).

91254755 is a wasteful number, since it uses less digits than its factorization.

91254755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15453.

The product of its digits is 63000, while the sum is 38.

The square root of 91254755 is about 9552.7354721043. The cubic root of 91254755 is about 450.2134871796.

The spelling of 91254755 in words is "ninety-one million, two hundred fifty-four thousand, seven hundred fifty-five".