5555778568 has 32 divisors (see below), whose sum is σ = 11040831360. Its totient is φ = 2611882240.

The previous prime is 5555778563. The next prime is 5555778587. The reversal of 5555778568 is 8658775555.

It is not an unprimeable number, because it can be changed into a prime (5555778563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120405 + ... + 160027.

It is an arithmetic number, because the mean of its divisors is an integer number (345025980).

Almost surely, 2^5555778568 is an apocalyptic number.

It is an amenable number.

5555778568 is a deficient number, since it is larger than the sum of its proper divisors (5485052792).

5555778568 is a wasteful number, since it uses less digits than its factorization.

5555778568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40677 (or 40673 counting only the distinct ones).

The product of its digits is 58800000, while the sum is 61.

The square root of 5555778568 is about 74537.0952479368. The cubic root of 5555778568 is about 1771.1213135958.

The spelling of 5555778568 in words is "five billion, five hundred fifty-five million, seven hundred seventy-eight thousand, five hundred sixty-eight".