91052 has 24 divisors (see below), whose sum is σ = 183456. Its totient is φ = 39168.

The previous prime is 91033. The next prime is 91079. The reversal of 91052 is 25019.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 91052.

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, 833 + ... + 935.

It is an arithmetic number, because the mean of its divisors is an integer number (7644).

2⁹¹⁰⁵² is an apocalyptic number.

It is an amenable number.

91052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91728).

91052 is a wasteful number, since it uses less digits than its factorization.

91052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 91052 is about 301.7482394315. The cubic root of 91052 is about 44.9879803289.

91052 divided by its sum of digits (17) gives a triangular number (5356 = T₁₀₃).

The spelling of 91052 in words is "ninety-one thousand, fifty-two".