55039969692000 has 768 divisors, whose sum is σ = 212234530959360. Its totient is φ = 13807180800000.

The previous prime is 55039969691981. The next prime is 55039969692053. The reversal of 55039969692000 is 29696993055.

55039969692000 is a `hidden beast` number, since 5 + 503 + 9 + 9 + 69 + 69 + 2 + 0 + 0 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4492685875 + ... + 4492698125.

It is an arithmetic number, because the mean of its divisors is an integer number (276347045520).

Almost surely, 2^{55039969692000} is an apocalyptic number.

55039969692000 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 55039969692000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106117265479680).

55039969692000 is an abundant number, since it is smaller than the sum of its proper divisors (157194561267360).

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

55039969692000 is a wasteful number, since it uses less digits than its factorization.

55039969692000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14749 (or 14725 counting only the distinct ones).

The product of its (nonzero) digits is 35429400, while the sum is 63.

The spelling of 55039969692000 in words is "fifty-five trillion, thirty-nine billion, nine hundred sixty-nine million, six hundred ninety-two thousand".