50005021 has 4 divisors (see below), whose sum is σ = 54550944. Its totient is φ = 45459100.

The previous prime is 50004991. The next prime is 50005027. The reversal of 50005021 is 12050005.

50005021 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50005021 - 2⁵ = 50004989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50004992 and 50005010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50005027) 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, 2272945 + ... + 2272966.

It is an arithmetic number, because the mean of its divisors is an integer number (13637736).

Almost surely, 2^50005021 is an apocalyptic number.

It is an amenable number.

50005021 is a deficient number, since it is larger than the sum of its proper divisors (4545923).

50005021 is a wasteful number, since it uses less digits than its factorization.

50005021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545922.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 50005021 is about 7071.4228412675. The cubic root of 50005021 is about 368.4154811327.

Adding to 50005021 its reverse (12050005), we get a palindrome (62055026).

The spelling of 50005021 in words is "fifty million, five thousand, twenty-one".