90559038 has 16 divisors (see below), whose sum is σ = 181700496. Its totient is φ = 30089280.

The previous prime is 90559031. The next prime is 90559039. The reversal of 90559038 is 83095509.

It is a junction number, because it is equal to n+sod(n) for n = 90558987 and 90559005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90559031) 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, 22233 + ... + 25988.

It is an arithmetic number, because the mean of its divisors is an integer number (11356281).

Almost surely, 2^90559038 is an apocalyptic number.

90559038 is an abundant number, since it is smaller than the sum of its proper divisors (91141458).

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

90559038 is a wasteful number, since it uses less digits than its factorization.

90559038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48539.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 90559038 is about 9516.2512577170. The cubic root of 90559038 is about 449.0664399047.

The spelling of 90559038 in words is "ninety million, five hundred fifty-nine thousand, thirty-eight".