85655320 has 32 divisors (see below), whose sum is σ = 192993120. Its totient is φ = 34214400.

The previous prime is 85655303. The next prime is 85655321. The reversal of 85655320 is 2355658.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85655321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47149 + ... + 48931.

It is an arithmetic number, because the mean of its divisors is an integer number (6031035).

Almost surely, 2^85655320 is an apocalyptic number.

It is an amenable number.

85655320 is an abundant number, since it is smaller than the sum of its proper divisors (107337800).

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

85655320 is a wasteful number, since it uses less digits than its factorization.

85655320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995 (or 2991 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 85655320 is about 9255.0159373175. The cubic root of 85655320 is about 440.8100092918.

The spelling of 85655320 in words is "eighty-five million, six hundred fifty-five thousand, three hundred twenty".