50204021 has 4 divisors (see below), whose sum is σ = 57376032. Its totient is φ = 43032012.

The previous prime is 50203981. The next prime is 50204039. The reversal of 50204021 is 12040205.

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 50204021 - 2¹⁴ = 50187637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50203987 and 50204005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50204321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3585995 + ... + 3586008.

It is an arithmetic number, because the mean of its divisors is an integer number (14344008).

Almost surely, 2^50204021 is an apocalyptic number.

It is an amenable number.

50204021 is a deficient number, since it is larger than the sum of its proper divisors (7172011).

50204021 is an equidigital number, since it uses as much as digits as its factorization.

50204021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7172010.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 50204021 is about 7085.4795885670. The cubic root of 50204021 is about 368.9035497263.

Adding to 50204021 its reverse (12040205), we get a palindrome (62244226).

The spelling of 50204021 in words is "fifty million, two hundred four thousand, twenty-one".