50140221 has 8 divisors (see below), whose sum is σ = 70372320. Its totient is φ = 31667472.

The previous prime is 50140201. The next prime is 50140229. The reversal of 50140221 is 12204105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50140221 - 2⁹ = 50139709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50140221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50140229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439770 + ... + 439883.

It is an arithmetic number, because the mean of its divisors is an integer number (8796540).

Almost surely, 2^50140221 is an apocalyptic number.

It is an amenable number.

50140221 is a deficient number, since it is larger than the sum of its proper divisors (20232099).

50140221 is a wasteful number, since it uses less digits than its factorization.

50140221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879675.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 50140221 is about 7080.9759920508. The cubic root of 50140221 is about 368.7472141511.

Adding to 50140221 its reverse (12204105), we get a palindrome (62344326).

The spelling of 50140221 in words is "fifty million, one hundred forty thousand, two hundred twenty-one".