91252950 has 48 divisors (see below), whose sum is σ = 230040336. Its totient is φ = 23932800.

The previous prime is 91252943. The next prime is 91252969. The reversal of 91252950 is 5925219.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4164 + ... + 14136.

It is an arithmetic number, because the mean of its divisors is an integer number (4792507).

Almost surely, 2^91252950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91252950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115020168).

91252950 is an abundant number, since it is smaller than the sum of its proper divisors (138787386).

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

91252950 is a wasteful number, since it uses less digits than its factorization.

91252950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10049 (or 10044 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 91252950 is about 9552.6409960806. The cubic root of 91252950 is about 450.2105187838.

The spelling of 91252950 in words is "ninety-one million, two hundred fifty-two thousand, nine hundred fifty".