555600005550 has 36 divisors (see below), whose sum is σ = 1492712016120. Its totient is φ = 148160001360.

The previous prime is 555600005509. The next prime is 555600005551. The reversal of 555600005550 is 55500006555.

555600005550 is a `hidden beast` number, since 5 + 556 + 0 + 0 + 0 + 0 + 55 + 50 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555600005551) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 617332890 + ... + 617333789.

It is an arithmetic number, because the mean of its divisors is an integer number (41464222670).

Almost surely, 2^555600005550 is an apocalyptic number.

555600005550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

555600005550 is an abundant number, since it is smaller than the sum of its proper divisors (937112010570).

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

555600005550 is a wasteful number, since it uses less digits than its factorization.

555600005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234666697 (or 1234666689 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 555600005550 in words is "five hundred fifty-five billion, six hundred million, five thousand, five hundred fifty".