85528 has 8 divisors (see below), whose sum is σ = 160380. Its totient is φ = 42760.

The previous prime is 85523. The next prime is 85531. The reversal of 85528 is 82558.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 85496 and 85505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5338 + ... + 5353.

2⁸⁵⁵²⁸ is an apocalyptic number.

It is an amenable number.

85528 is a deficient number, since it is larger than the sum of its proper divisors (74852).

85528 is a wasteful number, since it uses less digits than its factorization.

85528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10697 (or 10693 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 85528 is about 292.4517054148. The cubic root of 85528 is about 44.0591491005.

Subtracting from 85528 its product of digits (3200), we obtain a palindrome (82328).

The spelling of 85528 in words is "eighty-five thousand, five hundred twenty-eight".