91052576 has 48 divisors (see below), whose sum is σ = 188697600. Its totient is φ = 43185408.

The previous prime is 91052537. The next prime is 91052581. The reversal of 91052576 is 67525019.

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, 53921 + ... + 55583.

It is an arithmetic number, because the mean of its divisors is an integer number (3931200).

Almost surely, 2^91052576 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 91052576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94348800).

91052576 is an abundant number, since it is smaller than the sum of its proper divisors (97645024).

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

91052576 is a wasteful number, since it uses less digits than its factorization.

91052576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1753 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 91052576 is about 9542.1473474266. The cubic root of 91052576 is about 449.8807519417.

The spelling of 91052576 in words is "ninety-one million, fifty-two thousand, five hundred seventy-six".