50021130383 has 4 divisors (see below), whose sum is σ = 57167006160. Its totient is φ = 42875254608.

The previous prime is 50021130347. The next prime is 50021130431. The reversal of 50021130383 is 38303112005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50021130383 is a prime.

It is a super-2 number, since 2×50021130383² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50021150383) 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, 3572937878 + ... + 3572937891.

It is an arithmetic number, because the mean of its divisors is an integer number (14291751540).

Almost surely, 2^50021130383 is an apocalyptic number.

50021130383 is a deficient number, since it is larger than the sum of its proper divisors (7145875777).

50021130383 is an equidigital number, since it uses as much as digits as its factorization.

50021130383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7145875776.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 50021130383 its reverse (38303112005), we get a palindrome (88324242388).

The spelling of 50021130383 in words is "fifty billion, twenty-one million, one hundred thirty thousand, three hundred eighty-three".