why do some users only get 5 satoshi these days and other users 6 satoshi ?
Your answer is on this same thread:
If you get the low wagering reduction the is a i next to the value on the payout table and if you click it you'll be told to wager to get back to full base reward.
and when the BTC rate reaches $50,000.how many satoshi are there then ?
and at what rate is there only one satoshi ? $ 200K
Simple math will tell you that; if the lowest base reward is 0.002$.....
For 50k$/BTC:
50.000USD----1BTC
0.002USD ----X BTC
So X= 0.002*1/50000=0.00000004
BTC (4 satoshi)
For 1 satoshi/base roll:
X USD ---- 1BTC
0.002USD -- 0.00000001 BTC
So X= 0.002*1/0.00000001= 200.000$/
BTC (so you were right)