55100556056 has 48 divisors (see below), whose sum is σ = 129425768640. Its totient is φ = 21798020160.

The previous prime is 55100556013. The next prime is 55100556059. The reversal of 55100556056 is 65065500155.

55100556056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55100556059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5401160 + ... + 5411351.

It is an arithmetic number, because the mean of its divisors is an integer number (2696370180).

Almost surely, 2^55100556056 is an apocalyptic number.

55100556056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55100556056 is an abundant number, since it is smaller than the sum of its proper divisors (74325212584).

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

55100556056 is a wasteful number, since it uses less digits than its factorization.

55100556056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10812544 (or 10812533 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 55100556056 in words is "fifty-five billion, one hundred million, five hundred fifty-six thousand, fifty-six".