55384599936 has 128 divisors (see below), whose sum is σ = 158460508800. Its totient is φ = 17083035648.

The previous prime is 55384599899. The next prime is 55384599943. The reversal of 55384599936 is 63999548355.

55384599936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225460 + ... + 401996.

It is an arithmetic number, because the mean of its divisors is an integer number (1237972725).

Almost surely, 2^55384599936 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 55384599936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79230254400).

55384599936 is an abundant number, since it is smaller than the sum of its proper divisors (103075908864).

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

55384599936 is a wasteful number, since it uses less digits than its factorization.

55384599936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176616 (or 176604 counting only the distinct ones).

The product of its digits is 157464000, while the sum is 66.

The spelling of 55384599936 in words is "fifty-five billion, three hundred eighty-four million, five hundred ninety-nine thousand, nine hundred thirty-six".