50055444421 has 4 divisors (see below), whose sum is σ = 50067720000. Its totient is φ = 50043168844.

The previous prime is 50055444407. The next prime is 50055444437. The reversal of 50055444421 is 12444455005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50055444421 - 2⁷ = 50055444293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50055444451) 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, 6131671 + ... + 6139828.

It is an arithmetic number, because the mean of its divisors is an integer number (12516930000).

Almost surely, 2^50055444421 is an apocalyptic number.

It is an amenable number.

50055444421 is a deficient number, since it is larger than the sum of its proper divisors (12275579).

50055444421 is a wasteful number, since it uses less digits than its factorization.

50055444421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12275578.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 50055444421 its reverse (12444455005), we get a palindrome (62499899426).

The spelling of 50055444421 in words is "fifty billion, fifty-five million, four hundred forty-four thousand, four hundred twenty-one".