Alright, let's work through 54173465 times 49981209 step by step
54173465 × 49981209 = 49981209 × (54173465)
+ 49981209 × 5 resulting in 249906045
+ 49981209 × 60 yielding 2998872540
+ 49981209 × 400 resulting in 19992483600
+ 49981209 × 3000 that results in 149943627000
+ 49981209 × 70000 yielding 3498684630000
+ 49981209 × 100000 yielding 4998120900000
+ 49981209 × 4000000 what gives us 199924836000000
+ 49981209 × 50000000 giving us 2499060450000000

= 2707655276419185
