dunno a thing about the bow yer describing, however ...
drawing and holding the weight of a stick bow has little to do with brute physical strength, it's all about proper form and conditioning. if you've not spent a LOT of time with stick bows, as it might not appear to be in yer case, heed jw's advice and don't over bow yerself. take it slow and easy. also, listed bow weights can be off as much as 5# or more, and then there's the matter of yer draw length - add or subtract 3#/inch as a guideline. and 58#'s surely isn't a requirement for az deer.
best of luck, enjoy the trad bowhunting ride.