50345161 has 2 divisors, whose sum is σ = 50345162. Its totient is φ = 50345160.

The previous prime is 50345153. The next prime is 50345179. The reversal of 50345161 is 16154305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35760400 + 14584761 = 5980^2 + 3819^2 .

It is a cyclic number.

It is not a de Polignac number, because 50345161 - 2³ = 50345153 is a prime.

It is a super-2 number, since 2×50345161² = 5069270472231842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50345101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25172580 + 25172581.

It is an arithmetic number, because the mean of its divisors is an integer number (25172581).

Almost surely, 2^50345161 is an apocalyptic number.

It is an amenable number.

50345161 is a deficient number, since it is larger than the sum of its proper divisors (1).

50345161 is an equidigital number, since it uses as much as digits as its factorization.

50345161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 50345161 is about 7095.4324040188. The cubic root of 50345161 is about 369.2489293029.

Adding to 50345161 its reverse (16154305), we get a palindrome (66499466).

The spelling of 50345161 in words is "fifty million, three hundred forty-five thousand, one hundred sixty-one".