50440245101 has 4 divisors (see below), whose sum is σ = 50530802652. Its totient is φ = 50349687552.

The previous prime is 50440245073. The next prime is 50440245157. The reversal of 50440245101 is 10154204405.

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 22869303076 + 27570942025 = 151226^2 + 166045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50440245101 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 (50440245161) 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, 45277940 + ... + 45279053.

It is an arithmetic number, because the mean of its divisors is an integer number (12632700663).

Almost surely, 2^50440245101 is an apocalyptic number.

It is an amenable number.

50440245101 is a deficient number, since it is larger than the sum of its proper divisors (90557551).

50440245101 is an equidigital number, since it uses as much as digits as its factorization.

50440245101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90557550.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 50440245101 its reverse (10154204405), we get a palindrome (60594449506).

The spelling of 50440245101 in words is "fifty billion, four hundred forty million, two hundred forty-five thousand, one hundred one".