5558436864 has 176 divisors, whose sum is σ = 17179079040. Its totient is φ = 1772052480.

The previous prime is 5558436857. The next prime is 5558436893. The reversal of 5558436864 is 4686348555.

5558436864 is a `hidden beast` number, since 5 + 558 + 4 + 3 + 6 + 86 + 4 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 5558436864.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631534 + ... + 640274.

Almost surely, 2^5558436864 is an apocalyptic number.

5558436864 is a gapful number since it is divisible by the number (54) 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 5558436864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8589539520).

5558436864 is an abundant number, since it is smaller than the sum of its proper divisors (11620642176).

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

5558436864 is a wasteful number, since it uses less digits than its factorization.

5558436864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8793 (or 8769 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 54.

The square root of 5558436864 is about 74554.9251491811. The cubic root of 5558436864 is about 1771.4037470977.

The spelling of 5558436864 in words is "five billion, five hundred fifty-eight million, four hundred thirty-six thousand, eight hundred sixty-four".