55604444 has 12 divisors (see below), whose sum is σ = 111208944. Its totient is φ = 23830464.

The previous prime is 55604429. The next prime is 55604477. The reversal of 55604444 is 44440655.

55604444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

55604444 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 55604444.

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, 992909 + ... + 992964.

It is an arithmetic number, because the mean of its divisors is an integer number (9267412).

Almost surely, 2^55604444 is an apocalyptic number.

It is an amenable number.

55604444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55604444 is a wasteful number, since it uses less digits than its factorization.

55604444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985884 (or 1985882 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 55604444 is about 7456.8387403779. The cubic root of 55604444 is about 381.6833079663.

The spelling of 55604444 in words is "fifty-five million, six hundred four thousand, four hundred forty-four".