55554216 has 16 divisors (see below), whose sum is σ = 138885600. Its totient is φ = 18518064.

The previous prime is 55554211. The next prime is 55554217. The reversal of 55554216 is 61245555.

55554216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55554211) 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 3 ways as a sum of consecutive naturals, for example, 1157356 + ... + 1157403.

It is an arithmetic number, because the mean of its divisors is an integer number (8680350).

Almost surely, 2^55554216 is an apocalyptic number.

It is an amenable number.

55554216 is an abundant number, since it is smaller than the sum of its proper divisors (83331384).

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

55554216 is a wasteful number, since it uses less digits than its factorization.

55554216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314768 (or 2314764 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The square root of 55554216 is about 7453.4700643392. The cubic root of 55554216 is about 381.5683473431.

The spelling of 55554216 in words is "fifty-five million, five hundred fifty-four thousand, two hundred sixteen".