55806110208 has 120 divisors (see below), whose sum is σ = 161225106900. Its totient is φ = 18582994944.

The previous prime is 55806110201. The next prime is 55806110219. The reversal of 55806110208 is 80201160855.

55806110208 is a `hidden beast` number, since 5 + 580 + 61 + 10 + 2 + 0 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55341621504 + 464488704 = 235248^2 + 21552^2 .

It is a super-2 number, since 2×55806110208² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55806110201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4920288 + ... + 4931616.

Almost surely, 2^55806110208 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 55806110208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80612553450).

55806110208 is an abundant number, since it is smaller than the sum of its proper divisors (105418996692).

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

55806110208 is a wasteful number, since it uses less digits than its factorization.

55806110208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12422 (or 12403 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The spelling of 55806110208 in words is "fifty-five billion, eight hundred six million, one hundred ten thousand, two hundred eight".