91956255 has 16 divisors (see below), whose sum is σ = 148291584. Its totient is φ = 48656160.

The previous prime is 91956253. The next prime is 91956269. The reversal of 91956255 is 55265919.

It is not a de Polignac number, because 91956255 - 2¹ = 91956253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91956253) 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, 22231 + ... + 26040.

It is an arithmetic number, because the mean of its divisors is an integer number (9268224).

Almost surely, 2^91956255 is an apocalyptic number.

91956255 is a deficient number, since it is larger than the sum of its proper divisors (56335329).

91956255 is a wasteful number, since it uses less digits than its factorization.

91956255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48406.

The product of its digits is 121500, while the sum is 42.

The square root of 91956255 is about 9589.3824097280. The cubic root of 91956255 is about 451.3641812741.

The spelling of 91956255 in words is "ninety-one million, nine hundred fifty-six thousand, two hundred fifty-five".