How many runs a batsman can score in a 50 over match?

1653 runs.Considering there are no over throws.

(6,6,6,6,6,3) * 49 and 36 runs (6,6,6,6,6,6) of the last over.

If there are over throws then he could make undefined amount of runs.considering that over throws may go for 5 runs or 7 runs or 9 runs and it goes on and on.But the batsman must take odd no. of runs in the last ball o the over to stay on strike for the next over