85559529 has 16 divisors (see below), whose sum is σ = 125737920. Its totient is φ = 51317760.

The previous prime is 85559477. The next prime is 85559531. The reversal of 85559529 is 92595558.

It is not a de Polignac number, because 85559529 - 2⁷ = 85559401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85559029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10164 + ... + 16565.

It is an arithmetic number, because the mean of its divisors is an integer number (7858620).

Almost surely, 2^85559529 is an apocalyptic number.

It is an amenable number.

85559529 is a deficient number, since it is larger than the sum of its proper divisors (40178391).

85559529 is a wasteful number, since it uses less digits than its factorization.

85559529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26840.

The product of its digits is 810000, while the sum is 48.

The square root of 85559529 is about 9249.8394040113. The cubic root of 85559529 is about 440.6456241642.

The spelling of 85559529 in words is "eighty-five million, five hundred fifty-nine thousand, five hundred twenty-nine".