50550550000109 has 2 divisors, whose sum is σ = 50550550000110. Its totient is φ = 50550550000108.

The previous prime is 50550550000073. The next prime is 50550550000169. The reversal of 50550550000109 is 90100005505505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35821242457225 + 14729307542884 = 5985085^2 + 3837878^2 .

It is a cyclic number.

It is not a de Polignac number, because 50550550000109 - 2¹² = 50550549996013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50550550000169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275275000054 + 25275275000055.

It is an arithmetic number, because the mean of its divisors is an integer number (25275275000055).

Almost surely, 2^{50550550000109} is an apocalyptic number.

It is an amenable number.

50550550000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

50550550000109 is an equidigital number, since it uses as much as digits as its factorization.

50550550000109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28125, while the sum is 35.

The spelling of 50550550000109 in words is "fifty trillion, five hundred fifty billion, five hundred fifty million, one hundred nine", and thus it is an aban number.