555505555505 has 32 divisors (see below), whose sum is σ = 677534923296. Its totient is φ = 437184000000.

The previous prime is 555505555499. The next prime is 555505555559. The reversal of 555505555505 is 505555505555.

It can be written as a sum of positive squares in 16 ways, for example, as 14404080289 + 541101475216 = 120017^2 + 735596^2 .

It is not a de Polignac number, because 555505555505 - 2⁶ = 555505555441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56101055 + ... + 56110955.

It is an arithmetic number, because the mean of its divisors is an integer number (21172966353).

Almost surely, 2^555505555505 is an apocalyptic number.

It is an amenable number.

555505555505 is a deficient number, since it is larger than the sum of its proper divisors (122029367791).

555505555505 is a wasteful number, since it uses less digits than its factorization.

555505555505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10709.

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 555505555505 in words is "five hundred fifty-five billion, five hundred five million, five hundred fifty-five thousand, five hundred five".