55644164 has 12 divisors (see below), whose sum is σ = 97440000. Its totient is φ = 27804168.

The previous prime is 55644151. The next prime is 55644187. The reversal of 55644164 is 46144655.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4517 + ... + 11475.

It is an arithmetic number, because the mean of its divisors is an integer number (8120000).

Almost surely, 2^55644164 is an apocalyptic number.

It is an amenable number.

55644164 is a deficient number, since it is larger than the sum of its proper divisors (41795836).

55644164 is a wasteful number, since it uses less digits than its factorization.

55644164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8962 (or 8960 counting only the distinct ones).

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

The square root of 55644164 is about 7459.5015919296. The cubic root of 55644164 is about 381.7741691246.

The spelling of 55644164 in words is "fifty-five million, six hundred forty-four thousand, one hundred sixty-four".