85543306 has 4 divisors (see below), whose sum is σ = 128314962. Its totient is φ = 42771652.

The previous prime is 85543273. The next prime is 85543307. The reversal of 85543306 is 60334558.

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

It can be written as a sum of positive squares in only one way, i.e., 68807025 + 16736281 = 8295^2 + 4091^2 .

It is not an unprimeable number, because it can be changed into a prime (85543307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21385825 + ... + 21385828.

Almost surely, 2^85543306 is an apocalyptic number.

85543306 is a deficient number, since it is larger than the sum of its proper divisors (42771656).

85543306 is a wasteful number, since it uses less digits than its factorization.

85543306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42771655.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 85543306 is about 9248.9624282943. The cubic root of 85543306 is about 440.6177720324.

It can be divided in two parts, 85543 and 306, that added together give a square (85849 = 293²).

The spelling of 85543306 in words is "eighty-five million, five hundred forty-three thousand, three hundred six".