50243121001 has 8 divisors (see below), whose sum is σ = 50338812104. Its totient is φ = 50147475840.

The previous prime is 50243120999. The next prime is 50243121007. The reversal of 50243121001 is 10012134205.

It can be written as a sum of positive squares in 4 ways, for example, as 1535072400 + 48708048601 = 39180^2 + 220699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50243121001 - 2¹ = 50243120999 is a prime.

It is a super-2 number, since 2×50243121001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50243121001.

It is not an unprimeable number, because it can be changed into a prime (50243121007) 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, 2823805 + ... + 2841541.

It is an arithmetic number, because the mean of its divisors is an integer number (6292351513).

Almost surely, 2^50243121001 is an apocalyptic number.

It is an amenable number.

50243121001 is a deficient number, since it is larger than the sum of its proper divisors (95691103).

50243121001 is a wasteful number, since it uses less digits than its factorization.

50243121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22971.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 50243121001 its reverse (10012134205), we get a palindrome (60255255206).

The spelling of 50243121001 in words is "fifty billion, two hundred forty-three million, one hundred twenty-one thousand, one".