555555055552 has 56 divisors (see below), whose sum is σ = 1260695537024. Its totient is φ = 237948371712.

The previous prime is 555555055541. The next prime is 555555055553. The reversal of 555555055552 is 255550555555.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 555555055552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555555055553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347803 + ... + 1109989.

It is an arithmetic number, because the mean of its divisors is an integer number (22512420304).

Almost surely, 2^555555055552 is an apocalyptic number.

It is an amenable number.

555555055552 is an abundant number, since it is smaller than the sum of its proper divisors (705140481472).

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

555555055552 is a wasteful number, since it uses less digits than its factorization.

555555055552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763833 (or 763823 counting only the distinct ones).

The product of its (nonzero) digits is 19531250, while the sum is 52.

The spelling of 555555055552 in words is "five hundred fifty-five billion, five hundred fifty-five million, fifty-five thousand, five hundred fifty-two".