50505500051 has 2 divisors, whose sum is σ = 50505500052. Its totient is φ = 50505500050.

The previous prime is 50505500027. The next prime is 50505500113. The reversal of 50505500051 is 15000550505.

50505500051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50505500051 - 2¹⁴ = 50505483667 is a prime.

It is a super-2 number, since 2×50505500051² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50505500021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252750025 + 25252750026.

It is an arithmetic number, because the mean of its divisors is an integer number (25252750026).

Almost surely, 2^50505500051 is an apocalyptic number.

50505500051 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505500051 is an equidigital number, since it uses as much as digits as its factorization.

50505500051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 50505500051 in words is "fifty billion, five hundred five million, five hundred thousand, fifty-one".