50420213530 has 16 divisors (see below), whose sum is σ = 90826381800. Its totient is φ = 20152530432.

The previous prime is 50420213527. The next prime is 50420213539. The reversal of 50420213530 is 3531202405.

It can be written as a sum of positive squares in 4 ways, for example, as 48944040289 + 1476173241 = 221233^2 + 38421^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50420213495 and 50420213504.

It is not an unprimeable number, because it can be changed into a prime (50420213539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930755 + ... + 1956694.

Almost surely, 2^50420213530 is an apocalyptic number.

50420213530 is a deficient number, since it is larger than the sum of its proper divisors (40406168270).

50420213530 is a wasteful number, since it uses less digits than its factorization.

50420213530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888753.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 50420213530 its reverse (3531202405), we get a palindrome (53951415935).

The spelling of 50420213530 in words is "fifty billion, four hundred twenty million, two hundred thirteen thousand, five hundred thirty".