55224544 has 12 divisors (see below), whose sum is σ = 108723384. Its totient is φ = 27612256.

The previous prime is 55224529. The next prime is 55224571. The reversal of 55224544 is 44542255.

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 as a sum of consecutive naturals, namely, 862852 + ... + 862915.

It is an arithmetic number, because the mean of its divisors is an integer number (9060282).

Almost surely, 2^55224544 is an apocalyptic number.

It is an amenable number.

55224544 is a deficient number, since it is larger than the sum of its proper divisors (53498840).

55224544 is a wasteful number, since it uses less digits than its factorization.

55224544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725777 (or 1725769 counting only the distinct ones).

The product of its digits is 32000, while the sum is 31.

The square root of 55224544 is about 7431.3218205108. The cubic root of 55224544 is about 380.8120768008.

Adding to 55224544 its reverse (44542255), we get a palindrome (99766799).

The spelling of 55224544 in words is "fifty-five million, two hundred twenty-four thousand, five hundred forty-four".