50221306 has 16 divisors (see below), whose sum is σ = 76373280. Its totient is φ = 24765840.

The previous prime is 50221231. The next prime is 50221319. The reversal of 50221306 is 60312205.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70480 + ... + 71188.

It is an arithmetic number, because the mean of its divisors is an integer number (4773330).

Almost surely, 2^50221306 is an apocalyptic number.

50221306 is a deficient number, since it is larger than the sum of its proper divisors (26151974).

50221306 is a wasteful number, since it uses less digits than its factorization.

50221306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 50221306 is about 7086.6992316593. The cubic root of 50221306 is about 368.9458821004.

It can be divided in two parts, 5022 and 1306, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 50221306 in words is "fifty million, two hundred twenty-one thousand, three hundred six".