85536244 has 6 divisors (see below), whose sum is σ = 149688434. Its totient is φ = 42768120.

The previous prime is 85536239. The next prime is 85536251. The reversal of 85536244 is 44263558.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 24383844 = 7820^2 + 4938^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10692027 + ... + 10692034.

Almost surely, 2^85536244 is an apocalyptic number.

It is an amenable number.

85536244 is a deficient number, since it is larger than the sum of its proper divisors (64152190).

85536244 is a wasteful number, since it uses less digits than its factorization.

85536244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21384065 (or 21384063 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 85536244 is about 9248.5806478616. The cubic root of 85536244 is about 440.6056466794.

The spelling of 85536244 in words is "eighty-five million, five hundred thirty-six thousand, two hundred forty-four".