Reference for Numbers 1:29

פְּקֻדֵיהֶ֖ם לְמַטֵּ֣ה יִשָּׂשכָ֑ר אַרְבָּעָ֧ה וַחֲמִשִּׁ֛ים אֶ֖לֶף וְאַרְבַּ֥ע מֵאֽוֹת׃ (פ)

those that were numbered of them, of the tribe of Issachar, were fifty and four thousand and four hundred.

BDB

BDB