55845881288 has 16 divisors (see below), whose sum is σ = 104745037680. Its totient is φ = 27913871248.

The previous prime is 55845881281. The next prime is 55845881317. The reversal of 55845881288 is 88218854855.

It is a self number, because there is not a number n which added to its sum of digits gives 55845881288.

It is not an unprimeable number, because it can be changed into a prime (55845881281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107470 + ... + 1156797.

It is an arithmetic number, because the mean of its divisors is an integer number (6546564855).

Almost surely, 2^55845881288 is an apocalyptic number.

It is an amenable number.

55845881288 is a deficient number, since it is larger than the sum of its proper divisors (48899156392).

55845881288 is a wasteful number, since it uses less digits than its factorization.

55845881288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267356 (or 2267352 counting only the distinct ones).

The product of its digits is 32768000, while the sum is 62.

The spelling of 55845881288 in words is "fifty-five billion, eight hundred forty-five million, eight hundred eighty-one thousand, two hundred eighty-eight".