5055505555491 has 24 divisors (see below), whose sum is σ = 7331763201984. Its totient is φ = 3356793342720.

The previous prime is 5055505555361. The next prime is 5055505555519. The reversal of 5055505555491 is 1945555055505.

5055505555491 is a `hidden beast` number, since 5 + 0 + 5 + 5 + 50 + 55 + 55 + 491 = 666.

It is not a de Polignac number, because 5055505555491 - 2¹⁰ = 5055505554467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5055505555091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5686011 + ... + 6514731.

It is an arithmetic number, because the mean of its divisors is an integer number (305490133416).

Almost surely, 2^{5055505555491} is an apocalyptic number.

5055505555491 is a deficient number, since it is larger than the sum of its proper divisors (2276257646493).

5055505555491 is a wasteful number, since it uses less digits than its factorization.

5055505555491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831451 (or 831448 counting only the distinct ones).

The product of its (nonzero) digits is 14062500, while the sum is 54.

The spelling of 5055505555491 in words is "five trillion, fifty-five billion, five hundred five million, five hundred fifty-five thousand, four hundred ninety-one".