55531683584 has 144 divisors (see below), whose sum is σ = 121953951840. Its totient is φ = 25080053760.

The previous prime is 55531683563. The next prime is 55531683593. The reversal of 55531683584 is 48538613555.

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 15 ways as a sum of consecutive naturals, for example, 54388994 + ... + 54390014.

Almost surely, 2^55531683584 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 55531683584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60976975920).

55531683584 is an abundant number, since it is smaller than the sum of its proper divisors (66422268256).

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

55531683584 is a wasteful number, since it uses less digits than its factorization.

55531683584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386 (or 1372 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 53.

The spelling of 55531683584 in words is "fifty-five billion, five hundred thirty-one million, six hundred eighty-three thousand, five hundred eighty-four".