555001066056 has 128 divisors (see below), whose sum is σ = 1485804096000. Its totient is φ = 172252459008.

The previous prime is 555001066021. The next prime is 555001066063. The reversal of 555001066056 is 650660100555.

It is a super-3 number, since 3×555001066056³ (a number of 36 digits) contains 333 as substring.

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 31 ways as a sum of consecutive naturals, for example, 7266675 + ... + 7342653.

It is an arithmetic number, because the mean of its divisors is an integer number (11607844500).

Almost surely, 2^555001066056 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 555001066056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742902048000).

555001066056 is an abundant number, since it is smaller than the sum of its proper divisors (930803029944).

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

555001066056 is a wasteful number, since it uses less digits than its factorization.

555001066056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76283 (or 76279 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 555001066056 in words is "five hundred fifty-five billion, one million, sixty-six thousand, fifty-six".