55332736 has 16 divisors (see below), whose sum is σ = 110233440. Its totient is φ = 27666304.

The previous prime is 55332691. The next prime is 55332743. The reversal of 55332736 is 63723355.

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

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, 216016 + ... + 216271.

It is an arithmetic number, because the mean of its divisors is an integer number (6889590).

Almost surely, 2^55332736 is an apocalyptic number.

It is an amenable number.

55332736 is a deficient number, since it is larger than the sum of its proper divisors (54900704).

55332736 is an equidigital number, since it uses as much as digits as its factorization.

55332736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432301 (or 432289 counting only the distinct ones).

The product of its digits is 56700, while the sum is 34.

The square root of 55332736 is about 7438.5977173120. The cubic root of 55332736 is about 381.0606012223.

The spelling of 55332736 in words is "fifty-five million, three hundred thirty-two thousand, seven hundred thirty-six".