90535233 has 8 divisors (see below), whose sum is σ = 120757600. Its totient is φ = 60334848.

The previous prime is 90535229. The next prime is 90535243. The reversal of 90535233 is 33253509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90535233 - 2² = 90535229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90535233.

It is not an unprimeable number, because it can be changed into a prime (90535243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13473 + ... + 19041.

It is an arithmetic number, because the mean of its divisors is an integer number (15094700).

Almost surely, 2^90535233 is an apocalyptic number.

It is an amenable number.

90535233 is a deficient number, since it is larger than the sum of its proper divisors (30222367).

90535233 is a wasteful number, since it uses less digits than its factorization.

90535233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10991.

The product of its (nonzero) digits is 12150, while the sum is 30.

The square root of 90535233 is about 9515.0004203889. Note that the first 3 decimals coincide. The cubic root of 90535233 is about 449.0270881785.

The spelling of 90535233 in words is "ninety million, five hundred thirty-five thousand, two hundred thirty-three".