90555344 has 20 divisors (see below), whose sum is σ = 191401440. Its totient is φ = 41161440.

The previous prime is 90555337. The next prime is 90555359. The reversal of 90555344 is 44355509.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 257084 + ... + 257435.

It is an arithmetic number, because the mean of its divisors is an integer number (9570072).

Almost surely, 2^90555344 is an apocalyptic number.

It is an amenable number.

90555344 is an abundant number, since it is smaller than the sum of its proper divisors (100846096).

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

90555344 is a wasteful number, since it uses less digits than its factorization.

90555344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514538 (or 514532 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 90555344 is about 9516.0571667051. The cubic root of 90555344 is about 449.0603338549.

The spelling of 90555344 in words is "ninety million, five hundred fifty-five thousand, three hundred forty-four".