90085059 has 12 divisors (see below), whose sum is σ = 130213200. Its totient is φ = 60015024.

The previous prime is 90085033. The next prime is 90085063. The reversal of 90085059 is 95058009.

It is not a de Polignac number, because 90085059 - 2⁵ = 90085027 is a prime.

It is a super-3 number, since 3×90085059³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (90085019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15897 + ... + 20805.

It is an arithmetic number, because the mean of its divisors is an integer number (10851100).

Almost surely, 2^90085059 is an apocalyptic number.

90085059 is a deficient number, since it is larger than the sum of its proper divisors (40128141).

90085059 is a wasteful number, since it uses less digits than its factorization.

90085059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6954 (or 6951 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 90085059 is about 9491.3149247088. The cubic root of 90085059 is about 448.2816093904.

The spelling of 90085059 in words is "ninety million, eighty-five thousand, fifty-nine".