555005500550 has 24 divisors (see below), whose sum is σ = 1032748426656. Its totient is φ = 221907964640.

The previous prime is 555005500549. The next prime is 555005500559. The reversal of 555005500550 is 55005500555.

It is a super-2 number, since 2×555005500550² (a number of 24 digits) contains 22 as substring.

555005500550 is a modest number, since divided by 5500550 gives 5550 as remainder.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 555005500550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555005500559) 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 11 ways as a sum of consecutive naturals, for example, 2236862 + ... + 2472561.

It is an arithmetic number, because the mean of its divisors is an integer number (43031184444).

Almost surely, 2^555005500550 is an apocalyptic number.

555005500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

555005500550 is a deficient number, since it is larger than the sum of its proper divisors (477742926106).

555005500550 is a wasteful number, since it uses less digits than its factorization.

555005500550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711792 (or 4711787 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 555005500550 in words is "five hundred fifty-five billion, five million, five hundred thousand, five hundred fifty".