91945252 has 24 divisors (see below), whose sum is σ = 186413696. Its totient is φ = 38864448.

The previous prime is 91945229. The next prime is 91945253. The reversal of 91945252 is 25254919.

It is not an unprimeable number, because it can be changed into a prime (91945253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20448 + ... + 24535.

Almost surely, 2^91945252 is an apocalyptic number.

It is an amenable number.

91945252 is an abundant number, since it is smaller than the sum of its proper divisors (94468444).

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

91945252 is a wasteful number, since it uses less digits than its factorization.

91945252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45067 (or 45065 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 91945252 is about 9588.8086851287. The cubic root of 91945252 is about 451.3461779377.

The spelling of 91945252 in words is "ninety-one million, nine hundred forty-five thousand, two hundred fifty-two".