85655508 has 24 divisors (see below), whose sum is σ = 200286912. Its totient is φ = 28491264.

The previous prime is 85655491. The next prime is 85655509. The reversal of 85655508 is 80555658.

It is a self number, because there is not a number n which added to its sum of digits gives 85655508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85655509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485 + ... + 13172.

It is an arithmetic number, because the mean of its divisors is an integer number (8345288).

Almost surely, 2^85655508 is an apocalyptic number.

It is an amenable number.

85655508 is an abundant number, since it is smaller than the sum of its proper divisors (114631404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85655508 is a wasteful number, since it uses less digits than its factorization.

85655508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15151 (or 15149 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 42.

The square root of 85655508 is about 9255.0260939665. The cubic root of 85655508 is about 440.8103317945.

The spelling of 85655508 in words is "eighty-five million, six hundred fifty-five thousand, five hundred eight".