85556443 has 4 divisors (see below), whose sum is σ = 97778800. Its totient is φ = 73334088.

The previous prime is 85556441. The next prime is 85556453. The reversal of 85556443 is 34465558.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85556443 - 2¹ = 85556441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85556396 and 85556405.

It is not an unprimeable number, because it can be changed into a prime (85556441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6111168 + ... + 6111181.

It is an arithmetic number, because the mean of its divisors is an integer number (24444700).

Almost surely, 2^85556443 is an apocalyptic number.

85556443 is a deficient number, since it is larger than the sum of its proper divisors (12222357).

85556443 is a wasteful number, since it uses less digits than its factorization.

85556443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222356.

The product of its digits is 288000, while the sum is 40.

The square root of 85556443 is about 9249.6725888001. The cubic root of 85556443 is about 440.6403262982.

The spelling of 85556443 in words is "eighty-five million, five hundred fifty-six thousand, four hundred forty-three".