Alright, let's work through 55394216 times 9394209 step by step
55394216 × 9394209 = 9394209 × (55394216)
+ 9394209 × 6 which equals 56365254
+ 9394209 × 10 resulting in 93942090
+ 9394209 × 200 that equals 1878841800
+ 9394209 × 4000 giving us 37576836000
+ 9394209 × 90000 producing 845478810000
+ 9394209 × 300000 that equals 2818262700000
+ 9394209 × 5000000 producing 46971045000000
+ 9394209 × 50000000 that equals 469710450000000

= 520384842495144
