85552445 has 24 divisors (see below), whose sum is σ = 115630200. Its totient is φ = 60684800.

The previous prime is 85552403. The next prime is 85552457. The reversal of 85552445 is 54425558.

It can be written as a sum of positive squares in 4 ways, for example, as 8305924 + 77246521 = 2882^2 + 8789^2 .

It is not a de Polignac number, because 85552445 - 2⁸ = 85552189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85552399 and 85552408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23081 + ... + 26529.

It is an arithmetic number, because the mean of its divisors is an integer number (4817925).

Almost surely, 2^85552445 is an apocalyptic number.

It is an amenable number.

85552445 is a deficient number, since it is larger than the sum of its proper divisors (30077755).

85552445 is a wasteful number, since it uses less digits than its factorization.

85552445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517 (or 3506 counting only the distinct ones).

The product of its digits is 160000, while the sum is 38.

The square root of 85552445 is about 9249.4564705176. The cubic root of 85552445 is about 440.6334625741.

The spelling of 85552445 in words is "eighty-five million, five hundred fifty-two thousand, four hundred forty-five".