5500500050491 has 2 divisors, whose sum is σ = 5500500050492. Its totient is φ = 5500500050490.

The previous prime is 5500500050477. The next prime is 5500500050501. The reversal of 5500500050491 is 1940500050055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5500500050491 - 2⁷ = 5500500050363 is a prime.

It is not a weakly prime, because it can be changed into another prime (5500500050471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750250025245 + 2750250025246.

It is an arithmetic number, because the mean of its divisors is an integer number (2750250025246).

Almost surely, 2^{5500500050491} is an apocalyptic number.

5500500050491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5500500050491 is an equidigital number, since it uses as much as digits as its factorization.

5500500050491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 5500500050491 in words is "five trillion, five hundred billion, five hundred million, fifty thousand, four hundred ninety-one".