50442400133 has 2 divisors, whose sum is σ = 50442400134. Its totient is φ = 50442400132.

The previous prime is 50442400087. The next prime is 50442400157. The reversal of 50442400133 is 33100424405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27021770689 + 23420629444 = 164383^2 + 153038^2 .

It is a cyclic number.

It is not a de Polignac number, because 50442400133 - 2¹⁴ = 50442383749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50442400633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25221200066 + 25221200067.

It is an arithmetic number, because the mean of its divisors is an integer number (25221200067).

Almost surely, 2^50442400133 is an apocalyptic number.

It is an amenable number.

50442400133 is a deficient number, since it is larger than the sum of its proper divisors (1).

50442400133 is an equidigital number, since it uses as much as digits as its factorization.

50442400133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 50442400133 its reverse (33100424405), we get a palindrome (83542824538).

The spelling of 50442400133 in words is "fifty billion, four hundred forty-two million, four hundred thousand, one hundred thirty-three".