5555165988 has 48 divisors (see below), whose sum is σ = 13536230400. Its totient is φ = 1769823264.

The previous prime is 5555165981. The next prime is 5555166061. The reversal of 5555165988 is 8895615555.

It is a super-2 number, since 2×5555165988² = 61719738308464032288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5555165981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378931 + ... + 393317.

It is an arithmetic number, because the mean of its divisors is an integer number (282004800).

Almost surely, 2^5555165988 is an apocalyptic number.

It is an amenable number.

5555165988 is an abundant number, since it is smaller than the sum of its proper divisors (7981064412).

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

5555165988 is a wasteful number, since it uses less digits than its factorization.

5555165988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15816 (or 15814 counting only the distinct ones).

The product of its digits is 10800000, while the sum is 57.

The square root of 5555165988 is about 74532.9859055707. The cubic root of 5555165988 is about 1771.0562166066.

The spelling of 5555165988 in words is "five billion, five hundred fifty-five million, one hundred sixty-five thousand, nine hundred eighty-eight".