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54! Factorial of 54

Value of 54! i.e, Factorial of 54 =
23084369733924138047
20927426830275810832
78564571807941132288
000000000000



In general, the factorial of a number N = N*(N-1)*(N-2)....1
Factorial of a non-negative integer n is the product of all positive integers less than or equal to n. Factorials are commonly encountered in permutations, combinations, number theory and series expansions of trigonometric and other functions (Taylor series).

Number of trailing zeros in 54! = 12
To understand factorials, you might find it useful to read the Factorial tutorial over here.
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