55605556055526 has 16 divisors (see below), whose sum is σ = 111221672593728. Its totient is φ = 18533425271400.

The previous prime is 55605556055473. The next prime is 55605556055561. The reversal of 55605556055526 is 62555065550655.

It is a self number, because there is not a number n which added to its sum of digits gives 55605556055526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439951660 + ... + 440078031.

It is an arithmetic number, because the mean of its divisors is an integer number (6951354537108).

Almost surely, 2^{55605556055526} is an apocalyptic number.

55605556055526 is an abundant number, since it is smaller than the sum of its proper divisors (55616116538202).

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

55605556055526 is a wasteful number, since it uses less digits than its factorization.

55605556055526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880040227.

The product of its (nonzero) digits is 168750000, while the sum is 60.

The spelling of 55605556055526 in words is "fifty-five trillion, six hundred five billion, five hundred fifty-six million, fifty-five thousand, five hundred twenty-six".