555555005 has 8 divisors (see below), whose sum is σ = 667092024. Its totient is φ = 444160000.

The previous prime is 555554983. The next prime is 555555029. The reversal of 555555005 is 500555555.

It can be written as a sum of positive squares in 4 ways, for example, as 271227961 + 284327044 = 16469^2 + 16862^2 .

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

It is not a de Polignac number, because 555555005 - 2⁶ = 555554941 is a prime.

It is a Duffinian number.

It is a congruent 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, 26696 + ... + 42705.

It is an arithmetic number, because the mean of its divisors is an integer number (83386503).

Almost surely, 2^555555005 is an apocalyptic number.

It is an amenable number.

555555005 is a deficient number, since it is larger than the sum of its proper divisors (111537019).

555555005 is a wasteful number, since it uses less digits than its factorization.

555555005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71007.

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

The square root of 555555005 is about 23570.2143605017. The cubic root of 555555005 is about 822.0704198860.

The spelling of 555555005 in words is "five hundred fifty-five million, five hundred fifty-five thousand, five".