91044496 has 20 divisors (see below), whose sum is σ = 177030832. Its totient is φ = 45359136.

The previous prime is 91044487. The next prime is 91044497. The reversal of 91044496 is 69444019.

It is not an unprimeable number, because it can be changed into a prime (91044497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5526 + ... + 14581.

Almost surely, 2^91044496 is an apocalyptic number.

It is an amenable number.

91044496 is a deficient number, since it is larger than the sum of its proper divisors (85986336).

91044496 is a wasteful number, since it uses less digits than its factorization.

91044496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20398 (or 20392 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 91044496 is about 9541.7239532487. The cubic root of 91044496 is about 449.8674440846.

The spelling of 91044496 in words is "ninety-one million, forty-four thousand, four hundred ninety-six".