50506220 has 24 divisors (see below), whose sum is σ = 106496208. Its totient is φ = 20120000.

The previous prime is 50506217. The next prime is 50506243. The reversal of 50506220 is 2260505.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 50506192 and 50506201.

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, 11 + ... + 10050.

It is an arithmetic number, because the mean of its divisors is an integer number (4437342).

Almost surely, 2^50506220 is an apocalyptic number.

It is an amenable number.

50506220 is an abundant number, since it is smaller than the sum of its proper divisors (55989988).

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

50506220 is a wasteful number, since it uses less digits than its factorization.

50506220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10321 (or 10319 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 50506220 is about 7106.7728259738. The cubic root of 50506220 is about 369.6422644115.

Adding to 50506220 its reverse (2260505), we get a palindrome (52766725).

The spelling of 50506220 in words is "fifty million, five hundred six thousand, two hundred twenty".