55508275808 has 24 divisors (see below), whose sum is σ = 114033307248. Its totient is φ = 26547435904.

The previous prime is 55508275799. The next prime is 55508275853. The reversal of 55508275808 is 80857280555.

It is a self number, because there is not a number n which added to its sum of digits gives 55508275808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37708691 + ... + 37710162.

It is an arithmetic number, because the mean of its divisors is an integer number (4751387802).

Almost surely, 2^55508275808 is an apocalyptic number.

It is an amenable number.

55508275808 is an abundant number, since it is smaller than the sum of its proper divisors (58525031440).

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

55508275808 is a wasteful number, since it uses less digits than its factorization.

55508275808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75418886 (or 75418878 counting only the distinct ones).

The product of its (nonzero) digits is 4480000, while the sum is 53.

The spelling of 55508275808 in words is "fifty-five billion, five hundred eight million, two hundred seventy-five thousand, eight hundred eight".