50004421 has 4 divisors (see below), whose sum is σ = 50447052. Its totient is φ = 49561792.

The previous prime is 50004419. The next prime is 50004443. The reversal of 50004421 is 12440005.

50004421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17388900 + 32615521 = 4170^2 + 5711^2 .

It is a cyclic number.

It is not a de Polignac number, because 50004421 - 2¹ = 50004419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50004395 and 50004404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50004401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221146 + ... + 221371.

It is an arithmetic number, because the mean of its divisors is an integer number (12611763).

Almost surely, 2^50004421 is an apocalyptic number.

It is an amenable number.

50004421 is a deficient number, since it is larger than the sum of its proper divisors (442631).

50004421 is a wasteful number, since it uses less digits than its factorization.

50004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442630.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 50004421 is about 7071.3804168635. The cubic root of 50004421 is about 368.4140076129.

Adding to 50004421 its reverse (12440005), we get a palindrome (62444426).

The spelling of 50004421 in words is "fifty million, four thousand, four hundred twenty-one".