50055105505501 has 2 divisors, whose sum is σ = 50055105505502. Its totient is φ = 50055105505500.

The previous prime is 50055105505499. The next prime is 50055105505519. The reversal of 50055105505501 is 10550550155005.

50055105505501 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 can be written as a sum of positive squares in only one way, i.e., 38434172220900 + 11620933284601 = 6199530^2 + 3408949^2 .

It is a cyclic number.

It is not a de Polignac number, because 50055105505501 - 2¹ = 50055105505499 is a prime.

It is a super-2 number, since 2×50055105505501² (a number of 28 digits) contains 22 as substring.

Together with 50055105505499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50055105505571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25027552752750 + 25027552752751.

It is an arithmetic number, because the mean of its divisors is an integer number (25027552752751).

Almost surely, 2^{50055105505501} is an apocalyptic number.

It is an amenable number.

50055105505501 is a deficient number, since it is larger than the sum of its proper divisors (1).

50055105505501 is an equidigital number, since it uses as much as digits as its factorization.

50055105505501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78125, while the sum is 37.

The spelling of 50055105505501 in words is "fifty trillion, fifty-five billion, one hundred five million, five hundred five thousand, five hundred one".