55655965662432 has 192 divisors, whose sum is σ = 149476316528448. Its totient is φ = 18126950400000.

The previous prime is 55655965662397. The next prime is 55655965662469. The reversal of 55655965662432 is 23426656955655.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6546986182 + ... + 6546994682.

It is an arithmetic number, because the mean of its divisors is an integer number (778522481919).

Almost surely, 2^{55655965662432} 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 55655965662432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74738158264224).

55655965662432 is an abundant number, since it is smaller than the sum of its proper divisors (93820350866016).

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

55655965662432 is a wasteful number, since it uses less digits than its factorization.

55655965662432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15853 (or 15845 counting only the distinct ones).

The product of its digits is 1749600000, while the sum is 69.

The spelling of 55655965662432 in words is "fifty-five trillion, six hundred fifty-five billion, nine hundred sixty-five million, six hundred sixty-two thousand, four hundred thirty-two".