Numbers 1:42-43

1:42 From the descendants of Naphtali: According to the records of their clans and families, all the males twenty years old or older who could serve in the army were listed by name. 1:43 Those of them who were numbered from the tribe of Naphtali were 53,400.

Numbers 2:29-30

2:29 Next will be the tribe of Naphtali. The leader of the people of Naphtali is Ahira son of Enan. 2:30 Those numbered in his division are 53,400.