50645224 has 24 divisors (see below), whose sum is σ = 110464290. Its totient is φ = 21704928.

The previous prime is 50645213. The next prime is 50645299. The reversal of 50645224 is 42254605.

It can be written as a sum of positive squares in only one way, i.e., 37088100 + 13557124 = 6090^2 + 3682^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 50645192 and 50645201.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64207 + ... + 64990.

Almost surely, 2^50645224 is an apocalyptic number.

It is an amenable number.

50645224 is an abundant number, since it is smaller than the sum of its proper divisors (59819066).

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

50645224 is a wasteful number, since it uses less digits than its factorization.

50645224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129217 (or 129206 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 50645224 is about 7116.5457913232. The cubic root of 50645224 is about 369.9810655029.

Adding to 50645224 its reverse (42254605), we get a palindrome (92899829).

The spelling of 50645224 in words is "fifty million, six hundred forty-five thousand, two hundred twenty-four".