85525548 has 12 divisors (see below), whose sum is σ = 199559640. Its totient is φ = 28508512.

The previous prime is 85525547. The next prime is 85525619. The reversal of 85525548 is 84552558.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (85525547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3563553 + ... + 3563576.

It is an arithmetic number, because the mean of its divisors is an integer number (16629970).

Almost surely, 2^85525548 is an apocalyptic number.

It is an amenable number.

85525548 is an abundant number, since it is smaller than the sum of its proper divisors (114034092).

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

85525548 is a wasteful number, since it uses less digits than its factorization.

85525548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7127136 (or 7127134 counting only the distinct ones).

The product of its digits is 320000, while the sum is 42.

The square root of 85525548 is about 9248.0023788924. The cubic root of 85525548 is about 440.5872805295.

The spelling of 85525548 in words is "eighty-five million, five hundred twenty-five thousand, five hundred forty-eight".