50024221 has 4 divisors (see below), whose sum is σ = 53872252. Its totient is φ = 46176192.

The previous prime is 50024213. The next prime is 50024231. The reversal of 50024221 is 12242005.

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 29648025 + 20376196 = 5445^2 + 4514^2 .

It is a cyclic number.

It is not a de Polignac number, because 50024221 - 2³ = 50024213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50024195 and 50024204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50024231) 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, 1923996 + ... + 1924021.

It is an arithmetic number, because the mean of its divisors is an integer number (13468063).

Almost surely, 2^50024221 is an apocalyptic number.

It is an amenable number.

50024221 is a deficient number, since it is larger than the sum of its proper divisors (3848031).

50024221 is a wasteful number, since it uses less digits than its factorization.

50024221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848030.

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

The square root of 50024221 is about 7072.7802878359. The cubic root of 50024221 is about 368.4626275456.

Adding to 50024221 its reverse (12242005), we get a palindrome (62266226).

The spelling of 50024221 in words is "fifty million, twenty-four thousand, two hundred twenty-one".