55581602896 has 40 divisors (see below), whose sum is σ = 108701245800. Its totient is φ = 27529936896.

The previous prime is 55581602893. The next prime is 55581602897. The reversal of 55581602896 is 69820618555.

It can be written as a sum of positive squares in 4 ways, for example, as 889232400 + 54692370496 = 29820^2 + 233864^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55581602893) 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 7 ways as a sum of consecutive naturals, for example, 3813030 + ... + 3827578.

It is an arithmetic number, because the mean of its divisors is an integer number (2717531145).

Almost surely, 2^55581602896 is an apocalyptic number.

It is an amenable number.

55581602896 is a deficient number, since it is larger than the sum of its proper divisors (53119642904).

55581602896 is a wasteful number, since it uses less digits than its factorization.

55581602896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16783 (or 16777 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 55.

The spelling of 55581602896 in words is "fifty-five billion, five hundred eighty-one million, six hundred two thousand, eight hundred ninety-six".