90555792 has 40 divisors (see below), whose sum is σ = 236264640. Its totient is φ = 29884800.

The previous prime is 90555769. The next prime is 90555797. The reversal of 90555792 is 29755509.

It is not an unprimeable number, because it can be changed into a prime (90555797) 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, 4492 + ... + 14187.

It is an arithmetic number, because the mean of its divisors is an integer number (5906616).

Almost surely, 2^90555792 is an apocalyptic number.

It is an amenable number.

90555792 is an abundant number, since it is smaller than the sum of its proper divisors (145708848).

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

90555792 is a wasteful number, since it uses less digits than its factorization.

90555792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18791 (or 18785 counting only the distinct ones).

The product of its (nonzero) digits is 141750, while the sum is 42.

The square root of 90555792 is about 9516.0807058368. The cubic root of 90555792 is about 449.0610743917.

The spelling of 90555792 in words is "ninety million, five hundred fifty-five thousand, seven hundred ninety-two".