50331323501 has 4 divisors (see below), whose sum is σ = 50332565052. Its totient is φ = 50330081952.

The previous prime is 50331323389. The next prime is 50331323527. The reversal of 50331323501 is 10532313305.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10532313305 = 5 ⋅2106462661.

It can be written as a sum of positive squares in 2 ways, for example, as 14568731401 + 35762592100 = 120701^2 + 189110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50331323501 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 (50331322501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557840 + ... + 641753.

It is an arithmetic number, because the mean of its divisors is an integer number (12583141263).

Almost surely, 2^50331323501 is an apocalyptic number.

It is an amenable number.

50331323501 is a deficient number, since it is larger than the sum of its proper divisors (1241551).

50331323501 is a wasteful number, since it uses less digits than its factorization.

50331323501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241550.

The product of its (nonzero) digits is 4050, while the sum is 26.

Adding to 50331323501 its reverse (10532313305), we get a palindrome (60863636806).

The spelling of 50331323501 in words is "fifty billion, three hundred thirty-one million, three hundred twenty-three thousand, five hundred one".