50221345 has 4 divisors (see below), whose sum is σ = 60265620. Its totient is φ = 40177072.

The previous prime is 50221343. The next prime is 50221373. The reversal of 50221345 is 54312205.

50221345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54312205 = 5 ⋅10862441.

It can be written as a sum of positive squares in 2 ways, for example, as 28654609 + 21566736 = 5353^2 + 4644^2 .

It is a cyclic number.

It is not a de Polignac number, because 50221345 - 2¹ = 50221343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50221343) 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 3 ways as a sum of consecutive naturals, for example, 5022130 + ... + 5022139.

It is an arithmetic number, because the mean of its divisors is an integer number (15066405).

Almost surely, 2^50221345 is an apocalyptic number.

It is an amenable number.

50221345 is a deficient number, since it is larger than the sum of its proper divisors (10044275).

50221345 is a wasteful number, since it uses less digits than its factorization.

50221345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10044274.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 50221345 is about 7086.7019832924. The cubic root of 50221345 is about 368.9459776036.

The spelling of 50221345 in words is "fifty million, two hundred twenty-one thousand, three hundred forty-five".