An answer and a comment
First for your question. No number has appeared in 6 consecutive draws, whether you consider the bonus number or not. But 3 numbers have appeared in 5 consecutive draws, always in the regular winning numbers.
- #57: from draw #667 to #671
- #31: from draw #1083 to #1087
- #03: from draw #1817 to 1821
And about your number 38, I do not understand your point in the last 87 draws. It has come out 7 times altogether. It came out once in 6th position, this is basically what you would expect as it has only 19% of the chances of appearing there compared to nearly 70% in the 4th or 5th position.