555055116550 has 48 divisors (see below), whose sum is σ = 1127136555072. Its totient is φ = 201680650400.

The previous prime is 555055116523. The next prime is 555055116563. The reversal of 555055116550 is 55611550555.

It is a junction number, because it is equal to n+sod(n) for n = 555055116497 and 555055116506.

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 23 ways as a sum of consecutive naturals, for example, 312357 + ... + 1098943.

It is an arithmetic number, because the mean of its divisors is an integer number (23482011564).

Almost surely, 2^555055116550 is an apocalyptic number.

555055116550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

555055116550 is an abundant number, since it is smaller than the sum of its proper divisors (572081438522).

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

555055116550 is a wasteful number, since it uses less digits than its factorization.

555055116550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787893 (or 787888 counting only the distinct ones).

The product of its (nonzero) digits is 468750, while the sum is 43.

The spelling of 555055116550 in words is "five hundred fifty-five billion, fifty-five million, one hundred sixteen thousand, five hundred fifty".