91105552 has 20 divisors (see below), whose sum is σ = 180274176. Its totient is φ = 44583200.

The previous prime is 91105529. The next prime is 91105561. The reversal of 91105552 is 25550119.

It is a self number, because there is not a number n which added to its sum of digits gives 91105552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59824 + ... + 61327.

Almost surely, 2^91105552 is an apocalyptic number.

It is an amenable number.

91105552 is a deficient number, since it is larger than the sum of its proper divisors (89168624).

91105552 is a wasteful number, since it uses less digits than its factorization.

91105552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121206 (or 121200 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 91105552 is about 9544.9228388709. The cubic root of 91105552 is about 449.9679845536.

The spelling of 91105552 in words is "ninety-one million, one hundred five thousand, five hundred fifty-two".