55102050120000 has 280 divisors, whose sum is σ = 196194104614816. Its totient is φ = 13563581184000.

The previous prime is 55102050119983. The next prime is 55102050120001. The reversal of 55102050120000 is 2105020155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55102050120001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16100914 + ... + 19220913.

Almost surely, 2^{55102050120000} is an apocalyptic number.

55102050120000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55102050120000 is an abundant number, since it is smaller than the sum of its proper divisors (141092054494816).

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

55102050120000 is a wasteful number, since it uses less digits than its factorization.

55102050120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35321875 (or 35321850 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

Adding to 55102050120000 its reverse (2105020155), we get a palindrome (55104155140155).

The spelling of 55102050120000 in words is "fifty-five trillion, one hundred two billion, fifty million, one hundred twenty thousand".