50166121 has 2 divisors, whose sum is σ = 50166122. Its totient is φ = 50166120.

The previous prime is 50166119. The next prime is 50166131. The reversal of 50166121 is 12166105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48149721 + 2016400 = 6939^2 + 1420^2 .

It is a cyclic number.

It is not a de Polignac number, because 50166121 - 2¹ = 50166119 is a prime.

Together with 50166119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 50166092 and 50166101.

It is not a weakly prime, because it can be changed into another prime (50166101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25083060 + 25083061.

It is an arithmetic number, because the mean of its divisors is an integer number (25083061).

Almost surely, 2^50166121 is an apocalyptic number.

It is an amenable number.

50166121 is a deficient number, since it is larger than the sum of its proper divisors (1).

50166121 is an equidigital number, since it uses as much as digits as its factorization.

50166121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 50166121 is about 7082.8045998743. The cubic root of 50166121 is about 368.8106955152.

The spelling of 50166121 in words is "fifty million, one hundred sixty-six thousand, one hundred twenty-one".