55566448 has 40 divisors (see below), whose sum is σ = 123400832. Its totient is φ = 23744448.

The previous prime is 55566443. The next prime is 55566451. The reversal of 55566448 is 84466555.

55566448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55566443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 60811 + ... + 61717.

Almost surely, 2^55566448 is an apocalyptic number.

It is an amenable number.

55566448 is an abundant number, since it is smaller than the sum of its proper divisors (67834384).

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

55566448 is a wasteful number, since it uses less digits than its factorization.

55566448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469 (or 1463 counting only the distinct ones).

The product of its digits is 576000, while the sum is 43.

The square root of 55566448 is about 7454.2905765740. The cubic root of 55566448 is about 381.5963500274.

The spelling of 55566448 in words is "fifty-five million, five hundred sixty-six thousand, four hundred forty-eight".