55444616 has 32 divisors (see below), whose sum is σ = 113633280. Its totient is φ = 25248000.

The previous prime is 55444589. The next prime is 55444637. The reversal of 55444616 is 61644455.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2360 + ... + 10791.

It is an arithmetic number, because the mean of its divisors is an integer number (3551040).

Almost surely, 2^55444616 is an apocalyptic number.

It is an amenable number.

55444616 is an abundant number, since it is smaller than the sum of its proper divisors (58188664).

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

55444616 is a wasteful number, since it uses less digits than its factorization.

55444616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13205 (or 13201 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 55444616 is about 7446.1141543761. The cubic root of 55444616 is about 381.3172567540.

The spelling of 55444616 in words is "fifty-five million, four hundred forty-four thousand, six hundred sixteen".