555008217672 has 128 divisors (see below), whose sum is σ = 1478936880000. Its totient is φ = 172961181696.

The previous prime is 555008217661. The next prime is 555008217749. The reversal of 555008217672 is 276712800555.

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, 78067654 + ... + 78074762.

It is an arithmetic number, because the mean of its divisors is an integer number (11554194375).

Almost surely, 2^555008217672 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 555008217672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739468440000).

555008217672 is an abundant number, since it is smaller than the sum of its proper divisors (923928662328).

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

555008217672 is a wasteful number, since it uses less digits than its factorization.

555008217672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8383 (or 8379 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 555008217672 in words is "five hundred fifty-five billion, eight million, two hundred seventeen thousand, six hundred seventy-two".