50895181 has 2 divisors, whose sum is σ = 50895182. Its totient is φ = 50895180.

The previous prime is 50895179. The next prime is 50895191. The reversal of 50895181 is 18159805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50893956 + 1225 = 7134^2 + 35^2 .

It is a cyclic number.

It is not a de Polignac number, because 50895181 - 2¹ = 50895179 is a prime.

It is a super-2 number, since 2×50895181² = 5180638898045522, which contains 22 as substring.

Together with 50895179, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50895181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50895121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25447590 + 25447591.

It is an arithmetic number, because the mean of its divisors is an integer number (25447591).

Almost surely, 2^50895181 is an apocalyptic number.

It is an amenable number.

50895181 is a deficient number, since it is larger than the sum of its proper divisors (1).

50895181 is an equidigital number, since it uses as much as digits as its factorization.

50895181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 37.

The square root of 50895181 is about 7134.0858559454. The cubic root of 50895181 is about 370.5887412998.

It can be divided in two parts, 50895 and 181, that added together give a square (51076 = 226²).

The spelling of 50895181 in words is "fifty million, eight hundred ninety-five thousand, one hundred eighty-one".