85502855 has 4 divisors (see below), whose sum is σ = 102603432. Its totient is φ = 68402280.

The previous prime is 85502839. The next prime is 85502861. The reversal of 85502855 is 55820558.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55820558 = 2 ⋅27910279.

It is not a de Polignac number, because 85502855 - 2⁴ = 85502839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8550281 + ... + 8550290.

It is an arithmetic number, because the mean of its divisors is an integer number (25650858).

Almost surely, 2^85502855 is an apocalyptic number.

85502855 is a deficient number, since it is larger than the sum of its proper divisors (17100577).

85502855 is a wasteful number, since it uses less digits than its factorization.

85502855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17100576.

The product of its (nonzero) digits is 80000, while the sum is 38.

The square root of 85502855 is about 9246.7753838838. The cubic root of 85502855 is about 440.5483092053.

The spelling of 85502855 in words is "eighty-five million, five hundred two thousand, eight hundred fifty-five".