50221365 has 16 divisors (see below), whose sum is σ = 81259200. Its totient is φ = 26483072.

The previous prime is 50221343. The next prime is 50221373. The reversal of 50221365 is 56312205.

It is a cyclic number.

It is not a de Polignac number, because 50221365 - 2¹¹ = 50219317 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17475 + ... + 20144.

It is an arithmetic number, because the mean of its divisors is an integer number (5078700).

Almost surely, 2^50221365 is an apocalyptic number.

It is an amenable number.

50221365 is a deficient number, since it is larger than the sum of its proper divisors (31037835).

50221365 is a wasteful number, since it uses less digits than its factorization.

50221365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37716.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 50221365 is about 7086.7033943859. The cubic root of 50221365 is about 368.9460265796.

The spelling of 50221365 in words is "fifty million, two hundred twenty-one thousand, three hundred sixty-five".