505455005555 has 8 divisors (see below), whose sum is σ = 607634961552. Its totient is φ = 403638034528.

The previous prime is 505455005519. The next prime is 505455005563. The reversal of 505455005555 is 555500554505.

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

It is a cyclic number.

It is not a de Polignac number, because 505455005555 - 2¹⁰ = 505455004531 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90743177 + ... + 90748746.

It is an arithmetic number, because the mean of its divisors is an integer number (75954370194).

Almost surely, 2^505455005555 is an apocalyptic number.

505455005555 is a deficient number, since it is larger than the sum of its proper divisors (102179955997).

505455005555 is a wasteful number, since it uses less digits than its factorization.

505455005555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181492485.

The product of its (nonzero) digits is 1562500, while the sum is 44.

The spelling of 505455005555 in words is "five hundred five billion, four hundred fifty-five million, five thousand, five hundred fifty-five".