55816408 has 16 divisors (see below), whose sum is σ = 107090280. Its totient is φ = 27259008.

The previous prime is 55816391. The next prime is 55816417. The reversal of 55816408 is 80461855.

55816408 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 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, 80785 + ... + 81472.

Almost surely, 2^55816408 is an apocalyptic number.

It is an amenable number.

55816408 is a deficient number, since it is larger than the sum of its proper divisors (51273872).

55816408 is a wasteful number, since it uses less digits than its factorization.

55816408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162306 (or 162302 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 55816408 is about 7471.0379466310. The cubic root of 55816408 is about 382.1676849405.

The spelling of 55816408 in words is "fifty-five million, eight hundred sixteen thousand, four hundred eight".