55644459708 has 48 divisors (see below), whose sum is σ = 132781106304. Its totient is φ = 18131805120.

The previous prime is 55644459683. The next prime is 55644459709. The reversal of 55644459708 is 80795444655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55644459709) 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 15 ways as a sum of consecutive naturals, for example, 158835 + ... + 369482.

It is an arithmetic number, because the mean of its divisors is an integer number (2766273048).

Almost surely, 2^55644459708 is an apocalyptic number.

It is an amenable number.

55644459708 is an abundant number, since it is smaller than the sum of its proper divisors (77136646596).

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

55644459708 is a wasteful number, since it uses less digits than its factorization.

55644459708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528522 (or 528520 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 55644459708 in words is "fifty-five billion, six hundred forty-four million, four hundred fifty-nine thousand, seven hundred eight".