50550549708149 has 2 divisors, whose sum is σ = 50550549708150. Its totient is φ = 50550549708148.

The previous prime is 50550549708119. The next prime is 50550549708193. The reversal of 50550549708149 is 94180794505505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35212439076049 + 15338110632100 = 5934007^2 + 3916390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50550549708149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50550549708091 and 50550549708100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50550549708119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275274854074 + 25275274854075.

It is an arithmetic number, because the mean of its divisors is an integer number (25275274854075).

Almost surely, 2^{50550549708149} is an apocalyptic number.

It is an amenable number.

50550549708149 is a deficient number, since it is larger than the sum of its proper divisors (1).

50550549708149 is an equidigital number, since it uses as much as digits as its factorization.

50550549708149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360000, while the sum is 62.

The spelling of 50550549708149 in words is "fifty trillion, five hundred fifty billion, five hundred forty-nine million, seven hundred eight thousand, one hundred forty-nine".