55565608 has 48 divisors (see below), whose sum is σ = 126485280. Its totient is φ = 22774752.

The previous prime is 55565593. The next prime is 55565611. The reversal of 55565608 is 80656555.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5935 + ... + 12097.

It is an arithmetic number, because the mean of its divisors is an integer number (2635110).

Almost surely, 2^55565608 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 55565608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63242640).

55565608 is an abundant number, since it is smaller than the sum of its proper divisors (70919672).

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

55565608 is a wasteful number, since it uses less digits than its factorization.

55565608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6206 (or 6195 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 55565608 is about 7454.2342329712. The cubic root of 55565608 is about 381.5944271491.

The spelling of 55565608 in words is "fifty-five million, five hundred sixty-five thousand, six hundred eight".