50000132421 has 12 divisors (see below), whose sum is σ = 72236426080. Its totient is φ = 33326954280.

The previous prime is 50000132393. The next prime is 50000132431. The reversal of 50000132421 is 12423100005.

It is not a de Polignac number, because 50000132421 - 2¹¹ = 50000130373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50000132394 and 50000132403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000132431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489745 + ... + 582966.

Almost surely, 2^50000132421 is an apocalyptic number.

It is an amenable number.

50000132421 is a deficient number, since it is larger than the sum of its proper divisors (22236293659).

50000132421 is a wasteful number, since it uses less digits than its factorization.

50000132421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077896 (or 1077893 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 50000132421 its reverse (12423100005), we get a palindrome (62423232426).

The spelling of 50000132421 in words is "fifty billion, one hundred thirty-two thousand, four hundred twenty-one".