55056010100556 has 48 divisors (see below), whose sum is σ = 131938317711200. Its totient is φ = 17855692876800.

The previous prime is 55056010100551. The next prime is 55056010100579. The reversal of 55056010100556 is 65500101065055.

It is not an unprimeable number, because it can be changed into a prime (55056010100551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25213956 + ... + 27310356.

Almost surely, 2^{55056010100556} is an apocalyptic number.

It is an amenable number.

55056010100556 is an abundant number, since it is smaller than the sum of its proper divisors (76882307610644).

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

55056010100556 is a wasteful number, since it uses less digits than its factorization.

55056010100556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155594 (or 2155592 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 55056010100556 in words is "fifty-five trillion, fifty-six billion, ten million, one hundred thousand, five hundred fifty-six".