55186863048800 has 216 divisors, whose sum is σ = 157772670652800. Its totient is φ = 18794220211200.

The previous prime is 55186863048799. The next prime is 55186863048803. The reversal of 55186863048800 is 884036868155.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55186863048803) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1116545 + ... + 10565055.

It is an arithmetic number, because the mean of its divisors is an integer number (730429030800).

Almost surely, 2^{55186863048800} is an apocalyptic number.

55186863048800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55186863048800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78886335326400).

55186863048800 is an abundant number, since it is smaller than the sum of its proper divisors (102585807604000).

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

55186863048800 is a wasteful number, since it uses less digits than its factorization.

55186863048800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9448694 (or 9448674 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 62.

The spelling of 55186863048800 in words is "fifty-five trillion, one hundred eighty-six billion, eight hundred sixty-three million, forty-eight thousand, eight hundred".