55897633389120 has 224 divisors, whose sum is σ = 178942378386816. Its totient is φ = 14782933401600.

The previous prime is 55897633389119. The next prime is 55897633389173. The reversal of 55897633389120 is 2198333679855.

55897633389120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200699560 + ... + 200977880.

Almost surely, 2^{55897633389120} 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 55897633389120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89471189193408).

55897633389120 is an abundant number, since it is smaller than the sum of its proper divisors (123044744997696).

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

55897633389120 is a wasteful number, since it uses less digits than its factorization.

55897633389120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280069 (or 280059 counting only the distinct ones).

The product of its (nonzero) digits is 293932800, while the sum is 69.

The spelling of 55897633389120 in words is "fifty-five trillion, eight hundred ninety-seven billion, six hundred thirty-three million, three hundred eighty-nine thousand, one hundred twenty".