55691309184 has 256 divisors, whose sum is σ = 181755187200. Its totient is φ = 14752972800.

The previous prime is 55691309153. The next prime is 55691309189. The reversal of 55691309184 is 48190319655.

It is a super-3 number, since 3×55691309184³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55691309189) by changing a digit.

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, 2388784 + ... + 2411984.

It is an arithmetic number, because the mean of its divisors is an integer number (709981200).

Almost surely, 2^55691309184 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 55691309184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90877593600).

55691309184 is an abundant number, since it is smaller than the sum of its proper divisors (126063878016).

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

55691309184 is a wasteful number, since it uses less digits than its factorization.

55691309184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23291 (or 23279 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 55691309184 in words is "fifty-five billion, six hundred ninety-one million, three hundred nine thousand, one hundred eighty-four".