85525308 has 144 divisors (see below), whose sum is σ = 258061440. Its totient is φ = 24494400.

The previous prime is 85525301. The next prime is 85525309. The reversal of 85525308 is 80352558.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85525301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 202938 + ... + 203358.

Almost surely, 2^85525308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85525308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129030720).

85525308 is an abundant number, since it is smaller than the sum of its proper divisors (172536132).

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

85525308 is a wasteful number, since it uses less digits than its factorization.

85525308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 85525308 is about 9247.9894031081. The cubic root of 85525308 is about 440.5868684068.

The spelling of 85525308 in words is "eighty-five million, five hundred twenty-five thousand, three hundred eight".