50086181 has 2 divisors, whose sum is σ = 50086182. Its totient is φ = 50086180.

The previous prime is 50086177. The next prime is 50086187. The reversal of 50086181 is 18168005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44009956 + 6076225 = 6634^2 + 2465^2 .

It is a cyclic number.

It is not a de Polignac number, because 50086181 - 2² = 50086177 is a prime.

It is a super-2 number, since 2×50086181² = 5017251054329522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50086187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25043090 + 25043091.

It is an arithmetic number, because the mean of its divisors is an integer number (25043091).

Almost surely, 2^50086181 is an apocalyptic number.

It is an amenable number.

50086181 is a deficient number, since it is larger than the sum of its proper divisors (1).

50086181 is an equidigital number, since it uses as much as digits as its factorization.

50086181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 50086181 is about 7077.1591051777. The cubic root of 50086181 is about 368.6146907176.

The spelling of 50086181 in words is "fifty million, eighty-six thousand, one hundred eighty-one".