500005505555 has 16 divisors (see below), whose sum is σ = 602653392000. Its totient is φ = 398240640000.

The previous prime is 500005505543. The next prime is 500005505563. The reversal of 500005505555 is 555505500005.

It is not a de Polignac number, because 500005505555 - 2⁴ = 500005505539 is a prime.

It is a super-2 number, since 2×500005505555² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5510555 + ... + 5600555.

It is an arithmetic number, because the mean of its divisors is an integer number (37665837000).

Almost surely, 2^500005505555 is an apocalyptic number.

500005505555 is a deficient number, since it is larger than the sum of its proper divisors (102647886445).

500005505555 is a wasteful number, since it uses less digits than its factorization.

500005505555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94894.

The product of its (nonzero) digits is 78125, while the sum is 35.

It can be divided in two parts, 50000 and 5505555, that added together give a palindrome (5555555).

The spelling of 500005505555 in words is "five hundred billion, five million, five hundred five thousand, five hundred fifty-five".