50392289 has 2 divisors, whose sum is σ = 50392290. Its totient is φ = 50392288.

The previous prime is 50392273. The next prime is 50392327. The reversal of 50392289 is 98229305.

It is an a-pointer prime, because the next prime (50392327) can be obtained adding 50392289 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47886400 + 2505889 = 6920^2 + 1583^2 .

It is a cyclic number.

It is not a de Polignac number, because 50392289 - 2⁴ = 50392273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50392249) 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, 25196144 + 25196145.

It is an arithmetic number, because the mean of its divisors is an integer number (25196145).

Almost surely, 2^50392289 is an apocalyptic number.

It is an amenable number.

50392289 is a deficient number, since it is larger than the sum of its proper divisors (1).

50392289 is an equidigital number, since it uses as much as digits as its factorization.

50392289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 50392289 is about 7098.7526369074. The cubic root of 50392289 is about 369.3641110869.

The spelling of 50392289 in words is "fifty million, three hundred ninety-two thousand, two hundred eighty-nine".