85544568 has 48 divisors (see below), whose sum is σ = 232245000. Its totient is φ = 28445760.

The previous prime is 85544551. The next prime is 85544579. The reversal of 85544568 is 86544558.

85544568 is a `hidden beast` number, since 85 + 5 + 4 + 4 + 568 = 666.

It is a super-2 number, since 2×85544568² = 14635746228613248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34738 + ... + 37118.

Almost surely, 2^85544568 is an apocalyptic number.

It is an amenable number.

85544568 is an abundant number, since it is smaller than the sum of its proper divisors (146700432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85544568 is a wasteful number, since it uses less digits than its factorization.

85544568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892 (or 2885 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 85544568 is about 9249.0306519116. The cubic root of 85544568 is about 440.6199387981.

The spelling of 85544568 in words is "eighty-five million, five hundred forty-four thousand, five hundred sixty-eight".