555582545856 has 560 divisors, whose sum is σ = 1875056752800. Its totient is φ = 161249107968.

The previous prime is 555582545783. The next prime is 555582545863. The reversal of 555582545856 is 658545285555.

555582545856 is a `hidden beast` number, since 5 + 5 + 5 + 5 + 8 + 2 + 545 + 85 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 555582545793 and 555582545802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 344439706 + ... + 344441318.

It is an arithmetic number, because the mean of its divisors is an integer number (3348315630).

Almost surely, 2^555582545856 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 555582545856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937528376400).

555582545856 is an abundant number, since it is smaller than the sum of its proper divisors (1319474206944).

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

555582545856 is a wasteful number, since it uses less digits than its factorization.

555582545856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938 (or 1919 counting only the distinct ones).

The product of its digits is 240000000, while the sum is 63.

The spelling of 555582545856 in words is "five hundred fifty-five billion, five hundred eighty-two million, five hundred forty-five thousand, eight hundred fifty-six".