Alright, let's work through 55373953 times 65680339 step by step
55373953 × 65680339 = 65680339 × (55373953)
+ 65680339 × 3 yielding 197041017
+ 65680339 × 50 producing 3284016950
+ 65680339 × 900 yielding 59112305100
+ 65680339 × 3000 resulting in 197041017000
+ 65680339 × 70000 that is equal 4597623730000
+ 65680339 × 300000 resulting in 19704101700000
+ 65680339 × 5000000 producing 328401695000000
+ 65680339 × 50000000 that equals 3284016950000000

= 3636980004810067
