Sahih Muslim
Sahih Muslim Book 035, Hadith Number 6475.
Hadith Section/Book: Sahih Muslim Sahih Muslim Book 35. The Rememberance Of Allah, Supplication, Repentance And Seeking Forgiveness
Chapter : The names of Allah, the Exalted, and the merit of one who enumerates them.
Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: There are ninety-nine names of Allah; he who commits them to memory would get into Paradise. Verily, Allah is Odd (He is one, and it is an odd number) and He loves odd number. And in the narration of Ibn 'Umar (the words are): "He who enumerated them."
Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: There are ninety-nine names of Allah; he who commits them to memory would get into Paradise. Verily, Allah is Odd (He is one, and it is an odd number) and He loves odd number. And in the narration of Ibn 'Umar (the words are): "He who enumerated them."