90555324 has 96 divisors (see below), whose sum is σ = 230307840. Its totient is φ = 27622848.

The previous prime is 90555307. The next prime is 90555329. The reversal of 90555324 is 42355509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90555329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1090987 + ... + 1091069.

It is an arithmetic number, because the mean of its divisors is an integer number (2399040).

Almost surely, 2^90555324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90555324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115153920).

90555324 is an abundant number, since it is smaller than the sum of its proper divisors (139752516).

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

90555324 is a wasteful number, since it uses less digits than its factorization.

90555324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 90555324 is about 9516.0561158497. The cubic root of 90555324 is about 449.0603007952.

The spelling of 90555324 in words is "ninety million, five hundred fifty-five thousand, three hundred twenty-four".