Perhaps what you mean to ask "What is the next Prime number above 53?". One cannot tell, as numbers are indeed infinite, what the highest prime number is. There is a team of scientists that, not too long ago, discovered a twelve-digit (I think twelve) prime number. Prime numbers, like numbers, are infinite and there is no way, therefore, to assess a 'highest' nor a 'lowest' numeral.
The highest prime number is 1638478953 but know one knows after thatIf you want the next prime number after 50--the lowest one above 50--it's 53.
53
53
53 is a prime number.
53 itself. It is a prime number.
Yes, 53 is the 16th prime number.
The prime number after 53 is 61.
53 is a prime number.
53 is a prime number.
53 is a prime number
53 is a prime number
53 is a prime number so there is no relevant prime factorization for it.