-28
64 is 53 more than 11.
2x-15 = 53
59 and 53 are the two largest primes less than 60. 59+53 = 112
-53345 - 398 = -53
-28
170
81 is 28 more than 53.
64 is 53 more than 11.
123 is two less than 53 = 125 and two more than 112 = 121
2x-15 = 53
59 and 53 are the two largest primes less than 60. 59+53 = 112
53
53
53
-53345 - 398 = -53
No. There are a lot more than 53 cities in the world.