85543136 has 96 divisors (see below), whose sum is σ = 202309632. Its totient is φ = 34836480.

The previous prime is 85543109. The next prime is 85543181. The reversal of 85543136 is 63134558.

It is a junction number, because it is equal to n+sod(n) for n = 85543096 and 85543105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673505 + ... + 673631.

It is an arithmetic number, because the mean of its divisors is an integer number (2107392).

Almost surely, 2^85543136 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 85543136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101154816).

85543136 is an abundant number, since it is smaller than the sum of its proper divisors (116766496).

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

85543136 is a wasteful number, since it uses less digits than its factorization.

85543136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 264 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 85543136 is about 9248.9532380697. The cubic root of 85543136 is about 440.6174801527.

The spelling of 85543136 in words is "eighty-five million, five hundred forty-three thousand, one hundred thirty-six".