91036056 has 64 divisors (see below), whose sum is σ = 233280000. Its totient is φ = 29595776.

The previous prime is 91036051. The next prime is 91036067. The reversal of 91036056 is 65063019.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91036051) 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 15 ways as a sum of consecutive naturals, for example, 338290 + ... + 338558.

It is an arithmetic number, because the mean of its divisors is an integer number (3645000).

Almost surely, 2^91036056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91036056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116640000).

91036056 is an abundant number, since it is smaller than the sum of its proper divisors (142243944).

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

91036056 is a wasteful number, since it uses less digits than its factorization.

91036056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 91036056 is about 9541.2816749114. The cubic root of 91036056 is about 449.8535424624.

The spelling of 91036056 in words is "ninety-one million, thirty-six thousand, fifty-six".