89565529 has 2 divisors, whose sum is σ = 89565530. Its totient is φ = 89565528.

The previous prime is 89565523. The next prime is 89565547. The reversal of 89565529 is 92556598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79655625 + 9909904 = 8925^2 + 3148^2 .

It is a cyclic number.

It is not a de Polignac number, because 89565529 - 2¹³ = 89557337 is a prime.

It is not a weakly prime, because it can be changed into another prime (89565523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44782764 + 44782765.

It is an arithmetic number, because the mean of its divisors is an integer number (44782765).

Almost surely, 2^89565529 is an apocalyptic number.

It is an amenable number.

89565529 is a deficient number, since it is larger than the sum of its proper divisors (1).

89565529 is an equidigital number, since it uses as much as digits as its factorization.

89565529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 49.

The square root of 89565529 is about 9463.9066457779. The cubic root of 89565529 is about 447.4181850575.

The spelling of 89565529 in words is "eighty-nine million, five hundred sixty-five thousand, five hundred twenty-nine".