55506208 has 24 divisors (see below), whose sum is σ = 109570860. Its totient is φ = 27678720.

The previous prime is 55506193. The next prime is 55506229. The reversal of 55506208 is 80260555.

55506208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39087504 + 16418704 = 6252^2 + 4052^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55506208.

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 3 ways as a sum of consecutive naturals, for example, 10968 + ... + 15208.

Almost surely, 2^55506208 is an apocalyptic number.

It is an amenable number.

55506208 is a deficient number, since it is larger than the sum of its proper divisors (54064652).

55506208 is a wasteful number, since it uses less digits than its factorization.

55506208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660 (or 4652 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 55506208 is about 7450.2488549041. The cubic root of 55506208 is about 381.4584030175.

The spelling of 55506208 in words is "fifty-five million, five hundred six thousand, two hundred eight".