50221111 has 4 divisors (see below), whose sum is σ = 53175312. Its totient is φ = 47266912.

The previous prime is 50221103. The next prime is 50221133. The reversal of 50221111 is 11112205.

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

It is a cyclic number.

It is not a de Polignac number, because 50221111 - 2³ = 50221103 is a prime.

It is a super-4 number, since 4×50221111⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50221091 and 50221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221181) 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, 1477075 + ... + 1477108.

It is an arithmetic number, because the mean of its divisors is an integer number (13293828).

Almost surely, 2^50221111 is an apocalyptic number.

50221111 is a deficient number, since it is larger than the sum of its proper divisors (2954201).

50221111 is a wasteful number, since it uses less digits than its factorization.

50221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954200.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 50221111 is about 7086.6854734777. The cubic root of 50221111 is about 368.9454045837.

Adding to 50221111 its reverse (11112205), we get a palindrome (61333316).

The spelling of 50221111 in words is "fifty million, two hundred twenty-one thousand, one hundred eleven".