55566888 has 64 divisors (see below), whose sum is σ = 150427200. Its totient is φ = 17003520.

The previous prime is 55566869. The next prime is 55566983. The reversal of 55566888 is 88866555.

55566888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 55566888.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74823 + ... + 75561.

It is an arithmetic number, because the mean of its divisors is an integer number (2350425).

Almost surely, 2^55566888 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 55566888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75213600).

55566888 is an abundant number, since it is smaller than the sum of its proper divisors (94860312).

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

55566888 is a wasteful number, since it uses less digits than its factorization.

55566888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002 (or 998 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 51.

The square root of 55566888 is about 7454.3200897198. The cubic root of 55566888 is about 381.5973572417.

The spelling of 55566888 in words is "fifty-five million, five hundred sixty-six thousand, eight hundred eighty-eight".