55332544 has 28 divisors (see below), whose sum is σ = 110321344. Its totient is φ = 27535104.

The previous prime is 55332539. The next prime is 55332559. The reversal of 55332544 is 44523355.

It is a happy number.

It is a super-3 number, since 3×55332544³ (a number of 24 digits) contains 333 as substring.

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, 12334 + ... + 16210.

It is an arithmetic number, because the mean of its divisors is an integer number (3940048).

Almost surely, 2^55332544 is an apocalyptic number.

It is an amenable number.

55332544 is a deficient number, since it is larger than the sum of its proper divisors (54988800).

55332544 is a wasteful number, since it uses less digits than its factorization.

55332544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112 (or 4102 counting only the distinct ones).

The product of its digits is 36000, while the sum is 31.

The square root of 55332544 is about 7438.5848116426. The cubic root of 55332544 is about 381.0601604723.

Adding to 55332544 its reverse (44523355), we get a palindrome (99855899).

The spelling of 55332544 in words is "fifty-five million, three hundred thirty-two thousand, five hundred forty-four".