50443421 has 4 divisors (see below), whose sum is σ = 57649632. Its totient is φ = 43237212.

The previous prime is 50443409. The next prime is 50443451. The reversal of 50443421 is 12434405.

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 50443421 - 2⁶ = 50443357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50443451) 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, 3603095 + ... + 3603108.

It is an arithmetic number, because the mean of its divisors is an integer number (14412408).

Almost surely, 2^50443421 is an apocalyptic number.

It is an amenable number.

50443421 is a deficient number, since it is larger than the sum of its proper divisors (7206211).

50443421 is an equidigital number, since it uses as much as digits as its factorization.

50443421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7206210.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 50443421 is about 7102.3532015804. The cubic root of 50443421 is about 369.4889975318.

Adding to 50443421 its reverse (12434405), we get a palindrome (62877826).

The spelling of 50443421 in words is "fifty million, four hundred forty-three thousand, four hundred twenty-one".