Alright, let's work through 55417527 times 71400197 step by step
55417527 × 71400197 = 71400197 × (55417527)
+ 71400197 × 7 resulting in 499801379
+ 71400197 × 20 that equals 1428003940
+ 71400197 × 500 which equals 35700098500
+ 71400197 × 7000 what gives us 499801379000
+ 71400197 × 10000 which equals 714001970000
+ 71400197 × 400000 which equals 28560078800000
+ 71400197 × 5000000 giving us 357000985000000
+ 71400197 × 50000000 that equals 3570009850000000

= 3956822345052819
