85620544 has 28 divisors (see below), whose sum is σ = 171504864. Its totient is φ = 42406784.

The previous prime is 85620529. The next prime is 85620569. The reversal of 85620544 is 44502658.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597 + ... + 13099.

Almost surely, 2^85620544 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 85620544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85752432).

85620544 is an abundant number, since it is smaller than the sum of its proper divisors (85884320).

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

85620544 is a wasteful number, since it uses less digits than its factorization.

85620544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12622 (or 12612 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 85620544 is about 9253.1369815863. The cubic root of 85620544 is about 440.7503450314.

The spelling of 85620544 in words is "eighty-five million, six hundred twenty thousand, five hundred forty-four".