50245431101 has 4 divisors (see below), whose sum is σ = 50565465852. Its totient is φ = 49925396352.

The previous prime is 50245431097. The next prime is 50245431139. The reversal of 50245431101 is 10113454205.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15061425625 + 35184005476 = 122725^2 + 187574^2 .

It is a cyclic number.

It is not a de Polignac number, because 50245431101 - 2² = 50245431097 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 (50245431601) 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, 160017140 + ... + 160017453.

It is an arithmetic number, because the mean of its divisors is an integer number (12641366463).

Almost surely, 2^50245431101 is an apocalyptic number.

It is an amenable number.

50245431101 is a deficient number, since it is larger than the sum of its proper divisors (320034751).

50245431101 is a wasteful number, since it uses less digits than its factorization.

50245431101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320034750.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 50245431101 its reverse (10113454205), we get a palindrome (60358885306).

The spelling of 50245431101 in words is "fifty billion, two hundred forty-five million, four hundred thirty-one thousand, one hundred one".