50055565061 has 2 divisors, whose sum is σ = 50055565062. Its totient is φ = 50055565060.

The previous prime is 50055564997. The next prime is 50055565067. The reversal of 50055565061 is 16056555005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49726324036 + 329241025 = 222994^2 + 18145^2 .

It is a cyclic number.

It is not a de Polignac number, because 50055565061 - 2⁶ = 50055564997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50055565067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25027782530 + 25027782531.

It is an arithmetic number, because the mean of its divisors is an integer number (25027782531).

Almost surely, 2^50055565061 is an apocalyptic number.

It is an amenable number.

50055565061 is a deficient number, since it is larger than the sum of its proper divisors (1).

50055565061 is an equidigital number, since it uses as much as digits as its factorization.

50055565061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 50055565061 in words is "fifty billion, fifty-five million, five hundred sixty-five thousand, sixty-one".