50242421 has 4 divisors (see below), whose sum is σ = 50609292. Its totient is φ = 49875552.

The previous prime is 50242417. The next prime is 50242433. The reversal of 50242421 is 12424205.

It is a happy number.

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 20376196 + 29866225 = 4514^2 + 5465^2 .

It is a cyclic number.

It is not a de Polignac number, because 50242421 - 2² = 50242417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50242393 and 50242402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50242481) 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 in 3 ways as a sum of consecutive naturals, for example, 183230 + ... + 183503.

It is an arithmetic number, because the mean of its divisors is an integer number (12652323).

Almost surely, 2^50242421 is an apocalyptic number.

It is an amenable number.

50242421 is a deficient number, since it is larger than the sum of its proper divisors (366871).

50242421 is a wasteful number, since it uses less digits than its factorization.

50242421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366870.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 50242421 is about 7088.1888377780. The cubic root of 50242421 is about 368.9975812788.

Adding to 50242421 its reverse (12424205), we get a palindrome (62666626).

The spelling of 50242421 in words is "fifty million, two hundred forty-two thousand, four hundred twenty-one".