50221206 has 24 divisors (see below), whose sum is σ = 124357584. Its totient is φ = 14348880.

The previous prime is 50221201. The next prime is 50221207. The reversal of 50221206 is 60212205.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199165 + ... + 199416.

It is an arithmetic number, because the mean of its divisors is an integer number (5181566).

Almost surely, 2^50221206 is an apocalyptic number.

50221206 is an abundant number, since it is smaller than the sum of its proper divisors (74136378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50221206 is a wasteful number, since it uses less digits than its factorization.

50221206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398596 (or 398593 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 50221206 is about 7086.6921761849. The cubic root of 50221206 is about 368.9456372202.

Subtracting 50221206 from its reverse (60212205), we obtain a palindrome (9990999).

The spelling of 50221206 in words is "fifty million, two hundred twenty-one thousand, two hundred six".