91282560 has 64 divisors (see below), whose sum is σ = 290969280. Its totient is φ = 24341504.

The previous prime is 91282549. The next prime is 91282567. The reversal of 91282560 is 6528219.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (91282567) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21852 + ... + 25691.

It is an arithmetic number, because the mean of its divisors is an integer number (4546395).

Almost surely, 2^91282560 is an apocalyptic number.

It is an amenable number.

91282560 is an abundant number, since it is smaller than the sum of its proper divisors (199686720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91282560 is a wasteful number, since it uses less digits than its factorization.

91282560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47565 (or 47553 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 91282560 is about 9554.1907035604. The cubic root of 91282560 is about 450.2592086868.

The spelling of 91282560 in words is "ninety-one million, two hundred eighty-two thousand, five hundred sixty".