50330221 has 4 divisors (see below), whose sum is σ = 52979200. Its totient is φ = 47681244.

The previous prime is 50330179. The next prime is 50330237. The reversal of 50330221 is 12203305.

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 50330221 - 2¹⁵ = 50297453 is a prime.

It is a super-2 number, since 2×50330221² = 5066262291817682, 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 = 50330195 and 50330204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50330261) 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, 1324461 + ... + 1324498.

It is an arithmetic number, because the mean of its divisors is an integer number (13244800).

Almost surely, 2^50330221 is an apocalyptic number.

It is an amenable number.

50330221 is a deficient number, since it is larger than the sum of its proper divisors (2648979).

50330221 is a wasteful number, since it uses less digits than its factorization.

50330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648978.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 50330221 is about 7094.3795359425. The cubic root of 50330221 is about 369.2124006365.

Adding to 50330221 its reverse (12203305), we get a palindrome (62533526).

The spelling of 50330221 in words is "fifty million, three hundred thirty thousand, two hundred twenty-one".