50421229 has 2 divisors, whose sum is σ = 50421230. Its totient is φ = 50421228.

The previous prime is 50421211. The next prime is 50421263. The reversal of 50421229 is 92212405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41409225 + 9012004 = 6435^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 50421229 - 2⁹ = 50420717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50421209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25210614 + 25210615.

It is an arithmetic number, because the mean of its divisors is an integer number (25210615).

Almost surely, 2^50421229 is an apocalyptic number.

It is an amenable number.

50421229 is a deficient number, since it is larger than the sum of its proper divisors (1).

50421229 is an equidigital number, since it uses as much as digits as its factorization.

50421229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 50421229 is about 7100.7907306159. The cubic root of 50421229 is about 369.4348054461.

The spelling of 50421229 in words is "fifty million, four hundred twenty-one thousand, two hundred twenty-nine".