5555185768 has 128 divisors (see below), whose sum is σ = 12126827520. Its totient is φ = 2361103360.

The previous prime is 5555185747. The next prime is 5555185777. The reversal of 5555185768 is 8675815555.

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, 24472071 + ... + 24472297.

It is an arithmetic number, because the mean of its divisors is an integer number (94740840).

Almost surely, 2^5555185768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5555185768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6063413760).

5555185768 is an abundant number, since it is smaller than the sum of its proper divisors (6571641752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5555185768 is a wasteful number, since it uses less digits than its factorization.

5555185768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 483 counting only the distinct ones).

The product of its digits is 8400000, while the sum is 55.

The square root of 5555185768 is about 74533.1185983788. The cubic root of 5555185768 is about 1771.0583186410.

The spelling of 5555185768 in words is "five billion, five hundred fifty-five million, one hundred eighty-five thousand, seven hundred sixty-eight".