What is the number between 5.3 and 5.8?

Oh, dude, the number between 5.3 and 5.8 is 5.4. It's like right there, just hanging out in the middle, not causing any trouble. So, if you ever need to find the middle ground between 5.3 and 5.8, just remember good ol' 5.4, keeping the peace in the decimal world.