85855522 has 8 divisors (see below), whose sum is σ = 128835756. Its totient is φ = 42910272.

The previous prime is 85855513. The next prime is 85855529. The reversal of 85855522 is 22555858.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85766121 + 89401 = 9261^2 + 299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (85855529) 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 in 3 ways as a sum of consecutive naturals, for example, 1363 + ... + 13174.

Almost surely, 2^85855522 is an apocalyptic number.

85855522 is a deficient number, since it is larger than the sum of its proper divisors (42980234).

85855522 is a wasteful number, since it uses less digits than its factorization.

85855522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17492.

The product of its digits is 160000, while the sum is 40.

The square root of 85855522 is about 9265.8254893992. The cubic root of 85855522 is about 441.1531768393.

The spelling of 85855522 in words is "eighty-five million, eight hundred fifty-five thousand, five hundred twenty-two".