90559055 has 16 divisors (see below), whose sum is σ = 111024864. Its totient is φ = 70894080.

The previous prime is 90559039. The next prime is 90559067. The reversal of 90559055 is 55095509.

It is a happy number.

It is not a de Polignac number, because 90559055 - 2⁴ = 90559039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49100 + ... + 50910.

It is an arithmetic number, because the mean of its divisors is an integer number (6939054).

Almost surely, 2^90559055 is an apocalyptic number.

90559055 is a deficient number, since it is larger than the sum of its proper divisors (20465809).

90559055 is a wasteful number, since it uses less digits than its factorization.

90559055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026.

The product of its (nonzero) digits is 50625, while the sum is 38.

The square root of 90559055 is about 9516.2521509258. The cubic root of 90559055 is about 449.0664680047.

The spelling of 90559055 in words is "ninety million, five hundred fifty-nine thousand, fifty-five".