90537059 has 4 divisors (see below), whose sum is σ = 92642616. Its totient is φ = 88431504.

The previous prime is 90537049. The next prime is 90537067. The reversal of 90537059 is 95073509.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90537059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90537049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052714 + ... + 1052799.

It is an arithmetic number, because the mean of its divisors is an integer number (23160654).

Almost surely, 2^90537059 is an apocalyptic number.

90537059 is a deficient number, since it is larger than the sum of its proper divisors (2105557).

90537059 is a wasteful number, since it uses less digits than its factorization.

90537059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105556.

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 90537059 is about 9515.0963736580. The cubic root of 90537059 is about 449.0301069588.

The spelling of 90537059 in words is "ninety million, five hundred thirty-seven thousand, fifty-nine".