555000505555 has 4 divisors (see below), whose sum is σ = 666000606672. Its totient is φ = 444000404440.

The previous prime is 555000505489. The next prime is 555000505573. The reversal of 555000505555 is 555505000555.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 555000505555 - 2¹⁷ = 555000374483 is a prime.

It is a super-2 number, since 2×555000505555² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55500050551 + ... + 55500050560.

It is an arithmetic number, because the mean of its divisors is an integer number (166500151668).

Almost surely, 2^555000505555 is an apocalyptic number.

555000505555 is a deficient number, since it is larger than the sum of its proper divisors (111000101117).

555000505555 is a wasteful number, since it uses less digits than its factorization.

555000505555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111000101116.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 555000505555 in words is "five hundred fifty-five billion, five hundred five thousand, five hundred fifty-five".