91945062 has 48 divisors (see below), whose sum is σ = 218366928. Its totient is φ = 27728640.

The previous prime is 91945057. The next prime is 91945081. The reversal of 91945062 is 26054919.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45138 + ... + 47130.

It is an arithmetic number, because the mean of its divisors is an integer number (4549311).

Almost surely, 2^91945062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91945062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109183464).

91945062 is an abundant number, since it is smaller than the sum of its proper divisors (126421866).

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

91945062 is a wasteful number, since it uses less digits than its factorization.

91945062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245 (or 2242 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 91945062 is about 9588.7987777406. The cubic root of 91945062 is about 451.3458670432.

The spelling of 91945062 in words is "ninety-one million, nine hundred forty-five thousand, sixty-two".