55444655 has 16 divisors (see below), whose sum is σ = 76177920. Its totient is φ = 37949472.

The previous prime is 55444639. The next prime is 55444663. The reversal of 55444655 is 55644455.

55444655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55444655 - 2⁴ = 55444639 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 24356 + ... + 26534.

It is an arithmetic number, because the mean of its divisors is an integer number (4761120).

Almost surely, 2^55444655 is an apocalyptic number.

55444655 is a deficient number, since it is larger than the sum of its proper divisors (20733265).

55444655 is a wasteful number, since it uses less digits than its factorization.

55444655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

The product of its digits is 240000, while the sum is 38.

The square root of 55444655 is about 7446.1167731912. The cubic root of 55444655 is about 381.3173461608.

The spelling of 55444655 in words is "fifty-five million, four hundred forty-four thousand, six hundred fifty-five".