You have mealybugs and the best way to get rid of them is with alcohol wipes or q-tips dipped in alcohol. They are easy to get rid of, but you may need to treat the plant a few times before you kill them all. Check the top and bottoms of the leaves, stems, all over the whole plant. I found some on my indoor ficus and had to repeat the wipes 3 times before getting rid of them. Keep a close eye on them trying to come back and when you see a slight tint of white, hit them with the alcohol.