90559000459 has 4 divisors (see below), whose sum is σ = 95886000504. Its totient is φ = 85232000416.

The previous prime is 90559000453. The next prime is 90559000487. The reversal of 90559000459 is 95400095509.

90559000459 = T₂₄₅₇₀₇ + T₂₄₅₇₀₈ + T₂₄₅₇₀₉.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95400095509 = 193 ⋅494301013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90559000459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90559000453) 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, 2663499997 + ... + 2663500030.

It is an arithmetic number, because the mean of its divisors is an integer number (23971500126).

Almost surely, 2^90559000459 is an apocalyptic number.

90559000459 is the 245709-th centered triangular number.

90559000459 is a deficient number, since it is larger than the sum of its proper divisors (5327000045).

90559000459 is a wasteful number, since it uses less digits than its factorization.

90559000459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327000044.

The product of its (nonzero) digits is 364500, while the sum is 46.

The spelling of 90559000459 in words is "ninety billion, five hundred fifty-nine million, four hundred fifty-nine", and thus it is an aban number.