50505005005491 has 8 divisors (see below), whose sum is σ = 68192411822080. Its totient is φ = 33243800762952.

The previous prime is 50505005005453. The next prime is 50505005005537. The reversal of 50505005005491 is 19450050050505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50505005005491 - 2¹⁹ = 50505004481203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50505005005291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106550643235 + ... + 106550643708.

It is an arithmetic number, because the mean of its divisors is an integer number (8524051477760).

Almost surely, 2^{50505005005491} is an apocalyptic number.

50505005005491 is a deficient number, since it is larger than the sum of its proper divisors (17687406816589).

50505005005491 is a wasteful number, since it uses less digits than its factorization.

50505005005491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213101287025.

The product of its (nonzero) digits is 112500, while the sum is 39.

Adding to 50505005005491 its reverse (19450050050505), we get a palindrome (69955055055996).

The spelling of 50505005005491 in words is "fifty trillion, five hundred five billion, five million, five thousand, four hundred ninety-one".