55505505555534 has 16 divisors (see below), whose sum is σ = 112416213784320. Its totient is φ = 18267634739640.

The previous prime is 55505505555473. The next prime is 55505505555553. The reversal of 55505505555534 is 43555550550555.

55505505555534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55505505555534² (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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58550110872 + ... + 58550111819.

It is an arithmetic number, because the mean of its divisors is an integer number (7026013361520).

Almost surely, 2^{55505505555534} is an apocalyptic number.

55505505555534 is an abundant number, since it is smaller than the sum of its proper divisors (56910708228786).

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

55505505555534 is a wasteful number, since it uses less digits than its factorization.

55505505555534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117100222775.

The product of its (nonzero) digits is 117187500, while the sum is 57.

The spelling of 55505505555534 in words is "fifty-five trillion, five hundred five billion, five hundred five million, five hundred fifty-five thousand, five hundred thirty-four".