85563285 has 16 divisors (see below), whose sum is σ = 137725056. Its totient is φ = 45359168.

The previous prime is 85563271. The next prime is 85563287. The reversal of 85563285 is 58236558.

It is a cyclic number.

It is not a de Polignac number, because 85563285 - 2⁸ = 85563029 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85563287) 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, 14574 + ... + 19583.

It is an arithmetic number, because the mean of its divisors is an integer number (8607816).

Almost surely, 2^85563285 is an apocalyptic number.

It is an amenable number.

85563285 is a deficient number, since it is larger than the sum of its proper divisors (52161771).

85563285 is a wasteful number, since it uses less digits than its factorization.

85563285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34332.

The product of its digits is 288000, while the sum is 42.

The square root of 85563285 is about 9250.0424323351. The cubic root of 85563285 is about 440.6520720754.

The spelling of 85563285 in words is "eighty-five million, five hundred sixty-three thousand, two hundred eighty-five".