50221745 has 16 divisors (see below), whose sum is σ = 69562368. Its totient is φ = 34094400.

The previous prime is 50221739. The next prime is 50221747. The reversal of 50221745 is 54712205.

It is not a de Polignac number, because 50221745 - 2⁴ = 50221729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50221747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3569 + ... + 10638.

It is an arithmetic number, because the mean of its divisors is an integer number (4347648).

Almost surely, 2^50221745 is an apocalyptic number.

It is an amenable number.

50221745 is a deficient number, since it is larger than the sum of its proper divisors (19340623).

50221745 is a wasteful number, since it uses less digits than its factorization.

50221745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14320.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 50221745 is about 7086.7302051087. The cubic root of 50221745 is about 368.9469571207.

The spelling of 50221745 in words is "fifty million, two hundred twenty-one thousand, seven hundred forty-five".