91955892 has 48 divisors (see below), whose sum is σ = 248890880. Its totient is φ = 25879392.

The previous prime is 91955891. The next prime is 91955911. The reversal of 91955892 is 29855919.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91955891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2542 + ... + 13797.

Almost surely, 2^91955892 is an apocalyptic number.

It is an amenable number.

91955892 is an abundant number, since it is smaller than the sum of its proper divisors (156934988).

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

91955892 is a wasteful number, since it uses less digits than its factorization.

91955892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16420 (or 16418 counting only the distinct ones).

The product of its digits is 291600, while the sum is 48.

The square root of 91955892 is about 9589.3634825258. The cubic root of 91955892 is about 451.3635873489.

The spelling of 91955892 in words is "ninety-one million, nine hundred fifty-five thousand, eight hundred ninety-two".