90536 has 8 divisors (see below), whose sum is σ = 169770. Its totient is φ = 45264.

The previous prime is 90533. The next prime is 90547. The reversal of 90536 is 63509.

90536 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in only one way, i.e., 52900 + 37636 = 230^2 + 194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (90533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651 + ... + 5666.

2⁹⁰⁵³⁶ is an apocalyptic number.

It is an amenable number.

90536 is a deficient number, since it is larger than the sum of its proper divisors (79234).

90536 is a wasteful number, since it uses less digits than its factorization.

90536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11323 (or 11319 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 90536 is about 300.8920072052. The cubic root of 90536 is about 44.9028356203.

It can be divided in two parts, 90 and 536, that added together give a palindrome (626).

The spelling of 90536 in words is "ninety thousand, five hundred thirty-six".