50202421 has 4 divisors (see below), whose sum is σ = 50539500. Its totient is φ = 49865344.

The previous prime is 50202419. The next prime is 50202433. The reversal of 50202421 is 12420205.

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 31798321 + 18404100 = 5639^2 + 4290^2 .

It is a cyclic number.

It is not a de Polignac number, because 50202421 - 2¹ = 50202419 is a prime.

It is a super-2 number, since 2×50202421² = 5040566148522482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50202395 and 50202404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50202401) 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, 168316 + ... + 168613.

It is an arithmetic number, because the mean of its divisors is an integer number (12634875).

Almost surely, 2^50202421 is an apocalyptic number.

It is an amenable number.

50202421 is a deficient number, since it is larger than the sum of its proper divisors (337079).

50202421 is a wasteful number, since it uses less digits than its factorization.

50202421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337078.

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

The square root of 50202421 is about 7085.3666807019. The cubic root of 50202421 is about 368.8996307046.

Adding to 50202421 its reverse (12420205), we get a palindrome (62622626).

The spelling of 50202421 in words is "fifty million, two hundred two thousand, four hundred twenty-one".