50710221 has 12 divisors (see below), whose sum is σ = 77103520. Its totient is φ = 32027400.

The previous prime is 50710217. The next prime is 50710229. The reversal of 50710221 is 12201705.

50710221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50710221 - 2² = 50710217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50710194 and 50710203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50710229) 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 11 ways as a sum of consecutive naturals, for example, 148105 + ... + 148446.

Almost surely, 2^50710221 is an apocalyptic number.

It is an amenable number.

50710221 is a deficient number, since it is larger than the sum of its proper divisors (26393299).

50710221 is a wasteful number, since it uses less digits than its factorization.

50710221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296576 (or 296573 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 50710221 is about 7121.1109386106. The cubic root of 50710221 is about 370.1392731109.

Adding to 50710221 its reverse (12201705), we get a palindrome (62911926).

The spelling of 50710221 in words is "fifty million, seven hundred ten thousand, two hundred twenty-one".