Hussein’s family confirmed the death, at King’s College Hospital in London.
The former prime minister served between November 2007 and February 2009 in the transitional government of Somalia.
The current Somali prime minister, Hassan Ali Khaire, mourned the death of Hussein.
“My deepest condolences to the people of Somalia and to the family of former Prime Minister Nur Hassan Hussein who died in London. I pray to Allah to let his soul rest in peace,” Khaire said in a statement.