85548 has 12 divisors (see below), whose sum is σ = 199640. Its totient is φ = 28512.

The previous prime is 85531. The next prime is 85549. The reversal of 85548 is 84558.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85549) 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, 3553 + ... + 3576.

2⁸⁵⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

85548 is an abundant number, since it is smaller than the sum of its proper divisors (114092).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99820).

85548 is a wasteful number, since it uses less digits than its factorization.

85548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136 (or 7134 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 85548 is about 292.4858970959. The cubic root of 85548 is about 44.0625831194.

Subtracting from 85548 its reverse (84558), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 855 and 48, that added together give a triangular number (903 = T₄₂).

The spelling of 85548 in words is "eighty-five thousand, five hundred forty-eight".