55186866885050 has 48 divisors (see below), whose sum is σ = 102712865598720. Its totient is φ = 22060708608960.

The previous prime is 55186866885049. The next prime is 55186866885077. The reversal of 55186866885050 is 5058866868155.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726133652 + ... + 726209648.

It is an arithmetic number, because the mean of its divisors is an integer number (2139851366640).

Almost surely, 2^{55186866885050} is an apocalyptic number.

55186866885050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55186866885050 is a deficient number, since it is larger than the sum of its proper divisors (47525998713670).

55186866885050 is a wasteful number, since it uses less digits than its factorization.

55186866885050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85055 (or 85050 counting only the distinct ones).

The product of its (nonzero) digits is 552960000, while the sum is 71.

The spelling of 55186866885050 in words is "fifty-five trillion, one hundred eighty-six billion, eight hundred sixty-six million, eight hundred eighty-five thousand, fifty".