55539532890000 has 600 divisors, whose sum is σ = 204674250649440. Its totient is φ = 14015814912000.

The previous prime is 55539532889989. The next prime is 55539532890059. The reversal of 55539532890000 is 9823593555.

55539532890000 is a `hidden beast` number, since 5 + 553 + 9 + 5 + 3 + 2 + 89 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (600).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1619352852 + ... + 1619387148.

Almost surely, 2^{55539532890000} is an apocalyptic number.

55539532890000 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 55539532890000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102337125324720).

55539532890000 is an abundant number, since it is smaller than the sum of its proper divisors (149134717759440).

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

55539532890000 is a wasteful number, since it uses less digits than its factorization.

55539532890000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35297 (or 35273 counting only the distinct ones).

The product of its (nonzero) digits is 7290000, while the sum is 54.

The spelling of 55539532890000 in words is "fifty-five trillion, five hundred thirty-nine billion, five hundred thirty-two million, eight hundred ninety thousand".