Measuring laws passed by counting rather than by significance is pretty meaningless. More on that in a bit. Among modern Oval Office occupants, Presidents Jimmy Carter (52), George H.W. Bush (41) and Bill Clinton (41) had all signed more bills into law than Trump has by this point in their presidencies.
So, what has Trump accomplished with Congress so far? Nothing that political scientists would categorize as major pieces of legislation. We looked at this question as Trump hit his 100 days mark. This story contains more detail on legislation he signed in the early part of his presidency.