90533120 has 36 divisors (see below), whose sum is σ = 216858180. Its totient is φ = 36212736.

The previous prime is 90533101. The next prime is 90533167. The reversal of 90533120 is 2133509.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44943616 + 45589504 = 6704^2 + 6752^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34085 + ... + 36644.

Almost surely, 2^90533120 is an apocalyptic number.

It is an amenable number.

90533120 is an abundant number, since it is smaller than the sum of its proper divisors (126325060).

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

90533120 is an equidigital number, since it uses as much as digits as its factorization.

90533120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70750 (or 70736 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 90533120 is about 9514.8893845383. The cubic root of 90533120 is about 449.0235948732.

Adding to 90533120 its reverse (2133509), we get a palindrome (92666629).

The spelling of 90533120 in words is "ninety million, five hundred thirty-three thousand, one hundred twenty".