91096555 has 8 divisors (see below), whose sum is σ = 119253744. Its totient is φ = 66252000.

The previous prime is 91096541. The next prime is 91096571. The reversal of 91096555 is 55569019.

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

It is not a de Polignac number, because 91096555 - 2⁷ = 91096427 is a prime.

It is a Duffinian number.

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, 828096 + ... + 828205.

It is an arithmetic number, because the mean of its divisors is an integer number (14906718).

Almost surely, 2^91096555 is an apocalyptic number.

91096555 is a deficient number, since it is larger than the sum of its proper divisors (28157189).

91096555 is a wasteful number, since it uses less digits than its factorization.

91096555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656317.

The product of its (nonzero) digits is 60750, while the sum is 40.

The square root of 91096555 is about 9544.4515295537. The cubic root of 91096555 is about 449.9531720819.

The spelling of 91096555 in words is "ninety-one million, ninety-six thousand, five hundred fifty-five".