55010555505556 has 12 divisors (see below), whose sum is σ = 110021111011168. Its totient is φ = 23575952359512.

The previous prime is 55010555505547. The next prime is 55010555505571. The reversal of 55010555505556 is 65550555501055.

It is a happy number.

55010555505556 is an admirable number.

It is a super-2 number, since 2×55010555505556² (a number of 28 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 982331348286 + ... + 982331348341.

Almost surely, 2^{55010555505556} is an apocalyptic number.

It is an amenable number.

55010555505556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55010555505556 is a wasteful number, since it uses less digits than its factorization.

55010555505556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964662696638 (or 1964662696636 counting only the distinct ones).

The product of its (nonzero) digits is 11718750, while the sum is 52.

The spelling of 55010555505556 in words is "fifty-five trillion, ten billion, five hundred fifty-five million, five hundred five thousand, five hundred fifty-six".