Based on the results of a survey of historians, political scientists and presidential scholars maintained by the Siena College Research Institute, Trump ranks third to the last of 44 presidents. (Remember that Grover Cleveland was #22 and #24.) Since 1982, the SCRI Survey of U.S. Presidents has been conducted during the second year of the first term of a new president, ranking presidents across 20 different categories, ranging from integrity to ability to compromise.
The two presidents who were ranked below Trump are Andrew Johnson (last) and James Buchanan.
Trump has the dubious honor of being the only U.S. president to face impeachment twice. In the Siena survey, Trump received the lowest rank — 44th out of 44 — in the categories of integrity, intelligence, and overall ability.
His highest ranking — 10th — came in the "luck" category.