50333220 has 144 divisors (see below), whose sum is σ = 178738560. Its totient is φ = 11225088.

The previous prime is 50333201. The next prime is 50333233. The reversal of 50333220 is 2233305.

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

It is a junction number, because it is equal to n+sod(n) for n = 50333193 and 50333202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53716 + ... + 54644.

It is an arithmetic number, because the mean of its divisors is an integer number (1241240).

Almost surely, 2^50333220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50333220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89369280).

50333220 is an abundant number, since it is smaller than the sum of its proper divisors (128405340).

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

50333220 is a wasteful number, since it uses less digits than its factorization.

50333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 50333220 is about 7094.5908972963. The cubic root of 50333220 is about 369.2197338449.

Adding to 50333220 its reverse (2233305), we get a palindrome (52566525).

The spelling of 50333220 in words is "fifty million, three hundred thirty-three thousand, two hundred twenty".