50040220 has 12 divisors (see below), whose sum is σ = 105084504. Its totient is φ = 20016080.

The previous prime is 50040149. The next prime is 50040227. The reversal of 50040220 is 2204005.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 50040220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50040227) 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, 1250986 + ... + 1251025.

It is an arithmetic number, because the mean of its divisors is an integer number (8757042).

Almost surely, 2^50040220 is an apocalyptic number.

It is an amenable number.

50040220 is an abundant number, since it is smaller than the sum of its proper divisors (55044284).

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

50040220 is a wasteful number, since it uses less digits than its factorization.

50040220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502020 (or 2502018 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 50040220 is about 7073.9112236442. The cubic root of 50040220 is about 368.5019045539.

Adding to 50040220 its reverse (2204005), we get a palindrome (52244225).

The spelling of 50040220 in words is "fifty million, forty thousand, two hundred twenty".