55565488344 has 32 divisors (see below), whose sum is σ = 139198993920. Its totient is φ = 18483793056.

The previous prime is 55565488343. The next prime is 55565488357. The reversal of 55565488344 is 44388456555.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55565488343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2365344 + ... + 2388719.

It is an arithmetic number, because the mean of its divisors is an integer number (4349968560).

Almost surely, 2^55565488344 is an apocalyptic number.

It is an amenable number.

55565488344 is an abundant number, since it is smaller than the sum of its proper divisors (83633505576).

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

55565488344 is a wasteful number, since it uses less digits than its factorization.

55565488344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754559 (or 4754555 counting only the distinct ones).

The product of its digits is 46080000, while the sum is 57.

The spelling of 55565488344 in words is "fifty-five billion, five hundred sixty-five million, four hundred eighty-eight thousand, three hundred forty-four".