91184052 has 48 divisors (see below), whose sum is σ = 225372672. Its totient is φ = 28633440.

The previous prime is 91184047. The next prime is 91184057. The reversal of 91184052 is 25048119.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (91184047) and next prime (91184057).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91184057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16027 + ... + 20957.

It is an arithmetic number, because the mean of its divisors is an integer number (4695264).

Almost surely, 2^91184052 is an apocalyptic number.

91184052 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91184052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112686336).

91184052 is an abundant number, since it is smaller than the sum of its proper divisors (134188620).

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

91184052 is a wasteful number, since it uses less digits than its factorization.

91184052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028 (or 5026 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 91184052 is about 9549.0340872781. The cubic root of 91184052 is about 450.0971839485.

The spelling of 91184052 in words is "ninety-one million, one hundred eighty-four thousand, fifty-two".