55322744 has 16 divisors (see below), whose sum is σ = 103997400. Its totient is φ = 27590112.

The previous prime is 55322731. The next prime is 55322759. The reversal of 55322744 is 44722355.

It is a self number, because there is not a number n which added to its sum of digits gives 55322744.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5534 + ... + 11885.

Almost surely, 2^55322744 is an apocalyptic number.

It is an amenable number.

55322744 is a deficient number, since it is larger than the sum of its proper divisors (48674656).

55322744 is a wasteful number, since it uses less digits than its factorization.

55322744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17822 (or 17818 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 55322744 is about 7437.9260550237. The cubic root of 55322744 is about 381.0376625004.

The spelling of 55322744 in words is "fifty-five million, three hundred twenty-two thousand, seven hundred forty-four".