I remember when I was searching the file for some passwords my friends and family use, it took me a while to work out that number too. There are some passwords that many people seem to independently come up with and think must be reasonably secure. I suppose they are to the most basic of attacks.

5894 means that the password appeared 5894 times in the dataset.

5894 is not the password associated with the hash.

Yes, it did mean what I thought, then.

But I guess some passwords appear far more often than that in the dataset.

Some passwords are far more commonly used than others; that isn't surprising.