555688770855 has 64 divisors (see below), whose sum is σ = 926907262848. Its totient is φ = 284065136640.

The previous prime is 555688770829. The next prime is 555688770863. The reversal of 555688770855 is 558077886555.

It is not a de Polignac number, because 555688770855 - 2⁵ = 555688770823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 555688770855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8138739 + ... + 8206731.

It is an arithmetic number, because the mean of its divisors is an integer number (14482925982).

Almost surely, 2^555688770855 is an apocalyptic number.

555688770855 is a deficient number, since it is larger than the sum of its proper divisors (371218491993).

555688770855 is a wasteful number, since it uses less digits than its factorization.

555688770855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68276.

The product of its (nonzero) digits is 470400000, while the sum is 69.

The spelling of 555688770855 in words is "five hundred fifty-five billion, six hundred eighty-eight million, seven hundred seventy thousand, eight hundred fifty-five".