55647326 has 16 divisors (see below), whose sum is σ = 95800320. Its totient is φ = 23747640.

The previous prime is 55647323. The next prime is 55647379. The reversal of 55647326 is 62374655.

55647326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55647326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55647323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4970 + ... + 11661.

It is an arithmetic number, because the mean of its divisors is an integer number (5987520).

Almost surely, 2^55647326 is an apocalyptic number.

55647326 is a deficient number, since it is larger than the sum of its proper divisors (40152994).

55647326 is a wasteful number, since it uses less digits than its factorization.

55647326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16879.

The product of its digits is 151200, while the sum is 38.

The square root of 55647326 is about 7459.7135333738. The cubic root of 55647326 is about 381.7814004732.

The spelling of 55647326 in words is "fifty-five million, six hundred forty-seven thousand, three hundred twenty-six".