85855644050 has 96 divisors (see below), whose sum is σ = 182390201280. Its totient is φ = 29780038400.

The previous prime is 85855644023. The next prime is 85855644053. The reversal of 85855644050 is 5044655858.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 85855644050.

It is not an unprimeable number, because it can be changed into a prime (85855644053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1291424 + ... + 1356276.

It is an arithmetic number, because the mean of its divisors is an integer number (1899897930).

Almost surely, 2^85855644050 is an apocalyptic number.

85855644050 is an abundant number, since it is smaller than the sum of its proper divisors (96534557230).

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

85855644050 is a wasteful number, since it uses less digits than its factorization.

85855644050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64988 (or 64983 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 50.

The spelling of 85855644050 in words is "eighty-five billion, eight hundred fifty-five million, six hundred forty-four thousand, fifty".