555005005505 has 24 divisors (see below), whose sum is σ = 707740246968. Its totient is φ = 417736747008.

The previous prime is 555005005501. The next prime is 555005005537. The reversal of 555005005505 is 505500500555.

It can be written as a sum of positive squares in 12 ways, for example, as 219869584 + 554785135921 = 14828^2 + 744839^2 .

It is not a de Polignac number, because 555005005505 - 2² = 555005005501 is a prime.

It is a super-2 number, since 2×555005005505² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555005005501) 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, 4061147 + ... + 4195583.

It is an arithmetic number, because the mean of its divisors is an integer number (29489176957).

Almost surely, 2^555005005505 is an apocalyptic number.

It is an amenable number.

555005005505 is a deficient number, since it is larger than the sum of its proper divisors (152735241463).

555005005505 is a wasteful number, since it uses less digits than its factorization.

555005005505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137333 (or 137316 counting only the distinct ones).

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

It can be divided in two parts, 55500500550 and 5, that added together give a palindrome (55500500555).

The spelling of 555005005505 in words is "five hundred fifty-five billion, five million, five thousand, five hundred five".