55433344 has 16 divisors (see below), whose sum is σ = 110433870. Its totient is φ = 27716608.

The previous prime is 55433333. The next prime is 55433347. The reversal of 55433344 is 44333455.

It can be written as a sum of positive squares in only one way, i.e., 44622400 + 10810944 = 6680^2 + 3288^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (55433347) by changing a digit.

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, 216409 + ... + 216664.

Almost surely, 2^55433344 is an apocalyptic number.

It is an amenable number.

55433344 is a deficient number, since it is larger than the sum of its proper divisors (55000526).

55433344 is an equidigital number, since it uses as much as digits as its factorization.

55433344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433087 (or 433075 counting only the distinct ones).

The product of its digits is 43200, while the sum is 31.

The square root of 55433344 is about 7445.3572110410. The cubic root of 55433344 is about 381.2914141520.

Adding to 55433344 its reverse (44333455), we get a palindrome (99766799).

The spelling of 55433344 in words is "fifty-five million, four hundred thirty-three thousand, three hundred forty-four".