55354841808 has 160 divisors (see below), whose sum is σ = 164972774400. Its totient is φ = 15666766848.

The previous prime is 55354841791. The next prime is 55354841837. The reversal of 55354841808 is 80814845355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26573535 + ... + 26575617.

It is an arithmetic number, because the mean of its divisors is an integer number (1031079840).

Almost surely, 2^55354841808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55354841808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82486387200).

55354841808 is an abundant number, since it is smaller than the sum of its proper divisors (109617932592).

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

55354841808 is a wasteful number, since it uses less digits than its factorization.

55354841808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809 (or 2803 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 51.

The spelling of 55354841808 in words is "fifty-five billion, three hundred fifty-four million, eight hundred forty-one thousand, eight hundred eight".