55605605050556 has 24 divisors (see below), whose sum is σ = 106166169774000. Its totient is φ = 25272890576000.

The previous prime is 55605605050517. The next prime is 55605605050559. The reversal of 55605605050556 is 65505050650655.

It is a junction number, because it is equal to n+sod(n) for n = 55605605050498 and 55605605050507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55605605050559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59139431 + ... + 60072318.

It is an arithmetic number, because the mean of its divisors is an integer number (4423590407250).

Almost surely, 2^{55605605050556} is an apocalyptic number.

It is an amenable number.

55605605050556 is a deficient number, since it is larger than the sum of its proper divisors (50560564723444).

55605605050556 is a wasteful number, since it uses less digits than its factorization.

55605605050556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119222365 (or 119222363 counting only the distinct ones).

The product of its (nonzero) digits is 16875000, while the sum is 53.

The spelling of 55605605050556 in words is "fifty-five trillion, six hundred five billion, six hundred five million, fifty thousand, five hundred fifty-six".