55555616 has 24 divisors (see below), whose sum is σ = 110056464. Its totient is φ = 27604800.

The previous prime is 55555579. The next prime is 55555631. The reversal of 55555616 is 61655555.

55555616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55555616.

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, 110 + ... + 10541.

It is an arithmetic number, because the mean of its divisors is an integer number (4585686).

Almost surely, 2^55555616 is an apocalyptic number.

It is an amenable number.

55555616 is a deficient number, since it is larger than the sum of its proper divisors (54500848).

55555616 is a wasteful number, since it uses less digits than its factorization.

55555616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10824 (or 10816 counting only the distinct ones).

The product of its digits is 112500, while the sum is 38.

The square root of 55555616 is about 7453.5639797348. The cubic root of 55555616 is about 381.5715525676.

The spelling of 55555616 in words is "fifty-five million, five hundred fifty-five thousand, six hundred sixteen".