That's actually pretty average, or maybe slightly below average, according to Gallup.
https://news.gallup.com/poll/116677...ings-gallup-historical-statistics-trends.aspx
Gallup Historical Presidential Job Approval Statistics
Overall averages
Dates in office Average approval rating %
Harry Truman April 1945-January 1953 45.4
Dwight Eisenhower January 1953-January 1961 65.0
John Kennedy January 1961-November 1963 70.1
Lyndon Johnson November 1963-January 1969 55.1
Richard Nixon January 1969-August 1974 49.0
Gerald Ford August 1974-January 1977 47.2
Jimmy Carter January 1977-January 1981 45.5
Ronald Reagan January 1981-January 1989 52.8
George H.W. Bush January 1989-January 1993 60.9
Bill Clinton January 1993-January 2001 55.1
George W. Bush January 2001-January 2009 49.4
Barack Obama January 2009-January 2017 47.9