50421144001 has 4 divisors (see below), whose sum is σ = 50421993904. Its totient is φ = 50420294100.

The previous prime is 50421143963. The next prime is 50421144023. The reversal of 50421144001 is 10044112405.

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 a de Polignac number, because none of the positive numbers 2^k-50421144001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50421144071) 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, 328695 + ... + 457036.

It is an arithmetic number, because the mean of its divisors is an integer number (12605498476).

Almost surely, 2^50421144001 is an apocalyptic number.

It is an amenable number.

50421144001 is a deficient number, since it is larger than the sum of its proper divisors (849903).

50421144001 is an equidigital number, since it uses as much as digits as its factorization.

50421144001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849902.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 50421144001 its reverse (10044112405), we get a palindrome (60465256406).

The spelling of 50421144001 in words is "fifty billion, four hundred twenty-one million, one hundred forty-four thousand, one".