50550169 has 2 divisors, whose sum is σ = 50550170. Its totient is φ = 50550168.

The previous prime is 50550139. The next prime is 50550221. The reversal of 50550169 is 96105505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46076944 + 4473225 = 6788^2 + 2115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50550169 is a prime.

It is a super-2 number, since 2×50550169² = 5110639171857122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50550169.

It is not a weakly prime, because it can be changed into another prime (50550139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275084 + 25275085.

It is an arithmetic number, because the mean of its divisors is an integer number (25275085).

Almost surely, 2^50550169 is an apocalyptic number.

It is an amenable number.

50550169 is a deficient number, since it is larger than the sum of its proper divisors (1).

50550169 is an equidigital number, since it uses as much as digits as its factorization.

50550169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 50550169 is about 7109.8642040478. The cubic root of 50550169 is about 369.7494505367.

The spelling of 50550169 in words is "fifty million, five hundred fifty thousand, one hundred sixty-nine".