90089052 has 24 divisors (see below), whose sum is σ = 222573456. Its totient is φ = 28263168.

The previous prime is 90089033. The next prime is 90089059. The reversal of 90089052 is 25098009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90089059) 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, 220603 + ... + 221010.

It is an arithmetic number, because the mean of its divisors is an integer number (9273894).

Almost surely, 2^90089052 is an apocalyptic number.

It is an amenable number.

90089052 is an abundant number, since it is smaller than the sum of its proper divisors (132484404).

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

90089052 is a wasteful number, since it uses less digits than its factorization.

90089052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441637 (or 441635 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 90089052 is about 9491.5252725787. The cubic root of 90089052 is about 448.2882326198.

The spelling of 90089052 in words is "ninety million, eighty-nine thousand, fifty-two".