Currently, public sub counts are abbreviated in most but not all places across YouTube. In August, we’ll make this more consistent by always showing abbreviated sub counts publicly. Creators: You’ll still see your full sub count in Studio! Learn more → http://yt.be/help/abbrev-count …pic.twitter.com/pmaKk4EU4k
You don't actually have to do this. And it kind of destroys the fun. I have 57 subscribers, what will I see: 0.05K subscribers?! Terrible! Instead why don't you consider fixing your algorithm and favouring individual cretors in home pages?