55344779808 has 48 divisors (see below), whose sum is σ = 147030430176. Its totient is φ = 18225989120.

The previous prime is 55344779801. The next prime is 55344779813. The reversal of 55344779808 is 80897744355.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (55344779801) 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, 3464973 + ... + 3480908.

It is an arithmetic number, because the mean of its divisors is an integer number (3063133962).

Almost surely, 2^55344779808 is an apocalyptic number.

It is an amenable number.

55344779808 is an abundant number, since it is smaller than the sum of its proper divisors (91685650368).

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

55344779808 is a wasteful number, since it uses less digits than its factorization.

55344779808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945977 (or 6945969 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 55344779808 in words is "fifty-five billion, three hundred forty-four million, seven hundred seventy-nine thousand, eight hundred eight".