55507196668128 has 384 divisors, whose sum is σ = 153018106214400. Its totient is φ = 17601131520000.

The previous prime is 55507196668019. The next prime is 55507196668181. The reversal of 55507196668128 is 82186669170555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35834212698 + ... + 35834214246.

It is an arithmetic number, because the mean of its divisors is an integer number (398484651600).

Almost surely, 2^{55507196668128} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55507196668128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76509053107200).

55507196668128 is an abundant number, since it is smaller than the sum of its proper divisors (97510909546272).

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

55507196668128 is a wasteful number, since it uses less digits than its factorization.

55507196668128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762 (or 2754 counting only the distinct ones).

The product of its (nonzero) digits is 217728000, while the sum is 69.

The spelling of 55507196668128 in words is "fifty-five trillion, five hundred seven billion, one hundred ninety-six million, six hundred sixty-eight thousand, one hundred twenty-eight".