555578875555 has 24 divisors (see below), whose sum is σ = 764674587936. Its totient is φ = 386489642880.

The previous prime is 555578875543. The next prime is 555578875561.

555578875555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 555578875555 - 2²¹ = 555576778403 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19949394 + ... + 19977223.

It is an arithmetic number, because the mean of its divisors is an integer number (31861441164).

Almost surely, 2^555578875555 is an apocalyptic number.

555578875555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

555578875555 is a deficient number, since it is larger than the sum of its proper divisors (209095712381).

555578875555 is a wasteful number, since it uses less digits than its factorization.

555578875555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39926667 (or 39926656 counting only the distinct ones).

The product of its digits is 1225000000, while the sum is 70.

The spelling of 555578875555 in words is "five hundred fifty-five billion, five hundred seventy-eight million, eight hundred seventy-five thousand, five hundred fifty-five".