89653589 has 2 divisors, whose sum is σ = 89653590. Its totient is φ = 89653588.

The previous prime is 89653583. The next prime is 89653601. The reversal of 89653589 is 98535698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88040689 + 1612900 = 9383^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 89653589 - 2⁴ = 89653573 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89653589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89653583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44826794 + 44826795.

It is an arithmetic number, because the mean of its divisors is an integer number (44826795).

Almost surely, 2^89653589 is an apocalyptic number.

It is an amenable number.

89653589 is a deficient number, since it is larger than the sum of its proper divisors (1).

89653589 is an equidigital number, since it uses as much as digits as its factorization.

89653589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 53.

The square root of 89653589 is about 9468.5579155434. The cubic root of 89653589 is about 447.5647695021.

The spelling of 89653589 in words is "eighty-nine million, six hundred fifty-three thousand, five hundred eighty-nine".