850550 has 12 divisors (see below), whose sum is σ = 1582116. Its totient is φ = 340200.

The previous prime is 850537. The next prime is 850567. The reversal of 850550 is 55058.

It is a happy number.

It is a Curzon number.

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 850550.

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 5 ways as a sum of consecutive naturals, for example, 8456 + ... + 8555.

It is an arithmetic number, because the mean of its divisors is an integer number (131843).

2⁸⁵⁰⁵⁵⁰ is an apocalyptic number.

850550 is a deficient number, since it is larger than the sum of its proper divisors (731566).

850550 is a wasteful number, since it uses less digits than its factorization.

850550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17023 (or 17018 counting only the distinct ones).

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

The square root of 850550 is about 922.2526768733. The cubic root of 850550 is about 94.7472505891.

The spelling of 850550 in words is "eight hundred fifty thousand, five hundred fifty".