5558995866600 has 864 divisors, whose sum is σ = 21734300165760. Its totient is φ = 1318896691200.

The previous prime is 5558995866583. The next prime is 5558995866607. The reversal of 5558995866600 is 66685998555.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (5558995866607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 276378144 + ... + 276398256.

Almost surely, 2^{5558995866600} is an apocalyptic number.

5558995866600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5558995866600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10867150082880).

5558995866600 is an abundant number, since it is smaller than the sum of its proper divisors (16175304299160).

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

5558995866600 is a wasteful number, since it uses less digits than its factorization.

5558995866600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20213 (or 20181 counting only the distinct ones).

The product of its (nonzero) digits is 699840000, while the sum is 72.

The spelling of 5558995866600 in words is "five trillion, five hundred fifty-eight billion, nine hundred ninety-five million, eight hundred sixty-six thousand, six hundred".