50220565 has 4 divisors (see below), whose sum is σ = 60264684. Its totient is φ = 40176448.

The previous prime is 50220563. The next prime is 50220571. The reversal of 50220565 is 56502205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29844369 + 20376196 = 5463^2 + 4514^2 .

It is a cyclic number.

It is not a de Polignac number, because 50220565 - 2¹ = 50220563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50220563) 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, 5022052 + ... + 5022061.

It is an arithmetic number, because the mean of its divisors is an integer number (15066171).

Almost surely, 2^50220565 is an apocalyptic number.

It is an amenable number.

50220565 is a deficient number, since it is larger than the sum of its proper divisors (10044119).

50220565 is a wasteful number, since it uses less digits than its factorization.

50220565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10044118.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 50220565 is about 7086.6469504273. The cubic root of 50220565 is about 368.9440675303.

The spelling of 50220565 in words is "fifty million, two hundred twenty thousand, five hundred sixty-five".