As it is a Swyama Siddha Hanuman Mantra it doesn't have to become chanted for a hard and fast variety of Mantra Repetitions for with the ability to use it. Specific worship and rituals and rules regarding course, sitting down mat, and counting rosary usually are not encouraged for chanting https://www.youtube.com/watch?v=ufkmD95y7fE&t=32s