50245220231 has 4 divisors (see below), whose sum is σ = 50453706864. Its totient is φ = 50036733600.

The previous prime is 50245220203. The next prime is 50245220269. The reversal of 50245220231 is 13202254205.

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-50245220231 is a prime.

It is a super-2 number, since 2×50245220231² (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 50245220231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50245222231) 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, 104242955 + ... + 104243436.

It is an arithmetic number, because the mean of its divisors is an integer number (12613426716).

Almost surely, 2^50245220231 is an apocalyptic number.

50245220231 is a deficient number, since it is larger than the sum of its proper divisors (208486633).

50245220231 is a wasteful number, since it uses less digits than its factorization.

50245220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208486632.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 50245220231 its reverse (13202254205), we get a palindrome (63447474436).

The spelling of 50245220231 in words is "fifty billion, two hundred forty-five million, two hundred twenty thousand, two hundred thirty-one".