50005161 has 16 divisors (see below), whose sum is σ = 74805120. Its totient is φ = 33011280.

The previous prime is 50005121. The next prime is 50005181. The reversal of 50005161 is 16150005.

50005161 is a `hidden beast` number, since 500 + 0 + 5 + 161 = 666.

50005161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50005161 - 2¹⁰ = 50004137 is a prime.

It is a super-2 number, since 2×50005161² = 5001032253271842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50005121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6210 + ... + 11771.

It is an arithmetic number, because the mean of its divisors is an integer number (4675320).

Almost surely, 2^50005161 is an apocalyptic number.

It is an amenable number.

50005161 is a deficient number, since it is larger than the sum of its proper divisors (24799959).

50005161 is a wasteful number, since it uses less digits than its factorization.

50005161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18093 (or 18087 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 50005161 is about 7071.4327402585. The cubic root of 50005161 is about 368.4158249523.

Adding to 50005161 its reverse (16150005), we get a palindrome (66155166).

The spelling of 50005161 in words is "fifty million, five thousand, one hundred sixty-one".