91535152 has 20 divisors (see below), whose sum is σ = 177685056. Its totient is φ = 45680960.

The previous prime is 91535149. The next prime is 91535153. The reversal of 91535152 is 25153519.

It is not an unprimeable number, because it can be changed into a prime (91535153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3777 + ... + 14047.

Almost surely, 2^91535152 is an apocalyptic number.

It is an amenable number.

91535152 is a deficient number, since it is larger than the sum of its proper divisors (86149904).

91535152 is a wasteful number, since it uses less digits than its factorization.

91535152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10836 (or 10830 counting only the distinct ones).

The product of its digits is 6750, while the sum is 31.

The square root of 91535152 is about 9567.4004828898. The cubic root of 91535152 is about 450.6741369084.

The spelling of 91535152 in words is "ninety-one million, five hundred thirty-five thousand, one hundred fifty-two".