55110105556 has 48 divisors (see below), whose sum is σ = 108088126272. Its totient is φ = 24368364800.

The previous prime is 55110105503. The next prime is 55110105559. The reversal of 55110105556 is 65550101155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55110105559) 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 15 ways as a sum of consecutive naturals, for example, 581970 + ... + 670006.

It is an arithmetic number, because the mean of its divisors is an integer number (2251835964).

Almost surely, 2^55110105556 is an apocalyptic number.

It is an amenable number.

55110105556 is a deficient number, since it is larger than the sum of its proper divisors (52978020716).

55110105556 is a wasteful number, since it uses less digits than its factorization.

55110105556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88440 (or 88438 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 55110105556 in words is "fifty-five billion, one hundred ten million, one hundred five thousand, five hundred fifty-six".