A National Emergency Management Agency (NEMA) staff inspects the damage at the site of a suicide bomber attack in Mubi in Adamawa state, in northeastern Nigeria November 21, 2017.
Tuesday's bombing brings the number killed in 2017 to at least 278, according to calculations by Reuters.
Abubakar Othman, a police spokesman in Adamawa state, said the death toll is at least 50 but "there could be more as those seriously injured could add to the figure".
Authorities and experts suspect Boko Haram in the attack.
The latest attack is the highest loss of life since 56 people were killed in the same state last December, when two schoolgirl suicide bombers killed 56 people and wounded dozens more in a crowded market.
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The blast bears the hallmarks of a faction led by Abubakar Shekau, which forces women and girls to carry out suicide bombings.
Boko Haram has been blamed for more than 20,000 deaths during its almost decade-old insurgency, which has spilled over into neighbouring countries and displaced millions of people, creating a vast humanitarian crisis.
Noting the current moves by the IGP to review police personnel and strategy in the state, the president directed him to visit the state and report back his findings about the deadly attacks.
Security analysts said it again underlined the threat posed by the Islamic State group affiliate, despite an overall decline in deaths from attacks by the group previous year.
"The extremists held territory in Adamawa state in 2014", she notes, "but were pushed out of the areas under their control by early 2015 in a concerted offensive by the Nigerian military, backed by troops from neighboring countries".