5555507986 has 24 divisors (see below), whose sum is σ = 9712926540. Its totient is φ = 2376232992.

The previous prime is 5555507953. The next prime is 5555508029. The reversal of 5555507986 is 6897055555.

It can be written as a sum of positive squares in 2 ways, for example, as 4297458025 + 1258049961 = 65555^2 + 35469^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5805 + ... + 105568.

Almost surely, 2^5555507986 is an apocalyptic number.

5555507986 is a deficient number, since it is larger than the sum of its proper divisors (4157418554).

5555507986 is a wasteful number, since it uses less digits than its factorization.

5555507986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111898 (or 111891 counting only the distinct ones).

The product of its (nonzero) digits is 9450000, while the sum is 55.

The square root of 5555507986 is about 74535.2801430303. The cubic root of 5555507986 is about 1771.0925602703.

The spelling of 5555507986 in words is "five billion, five hundred fifty-five million, five hundred seven thousand, nine hundred eighty-six".