89544589 has 4 divisors (see below), whose sum is σ = 93437856. Its totient is φ = 85651324.

The previous prime is 89544583. The next prime is 89544599. The reversal of 89544589 is 98544598.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89544589 - 2²⁵ = 55990157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89544583) 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, 1946599 + ... + 1946644.

It is an arithmetic number, because the mean of its divisors is an integer number (23359464).

Almost surely, 2^89544589 is an apocalyptic number.

It is an amenable number.

89544589 is a deficient number, since it is larger than the sum of its proper divisors (3893267).

89544589 is a wasteful number, since it uses less digits than its factorization.

89544589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893266.

The product of its digits is 2073600, while the sum is 52.

The square root of 89544589 is about 9462.8002726466. The cubic root of 89544589 is about 447.3833142498.

Subtracting 89544589 from its reverse (98544598), we obtain a palindrome (9000009).

The spelling of 89544589 in words is "eighty-nine million, five hundred forty-four thousand, five hundred eighty-nine".