850055 has 8 divisors (see below), whose sum is σ = 1026432. Its totient is φ = 675808.

The previous prime is 850049. The next prime is 850061. The reversal of 850055 is 550058.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (850049) and next prime (850061).

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

It is a cyclic number.

It is not a de Polignac number, because 850055 - 2⁶ = 849991 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 850055.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 850055.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 554 + ... + 1416.

It is an arithmetic number, because the mean of its divisors is an integer number (128304).

2⁸⁵⁰⁰⁵⁵ is an apocalyptic number.

850055 is a deficient number, since it is larger than the sum of its proper divisors (176377).

850055 is a wasteful number, since it uses less digits than its factorization.

850055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 850055 is about 921.9842731847. The cubic root of 850055 is about 94.7288668021.

The spelling of 850055 in words is "eight hundred fifty thousand, fifty-five".