55647325 has 24 divisors (see below), whose sum is σ = 72495360. Its totient is φ = 42316800.

The previous prime is 55647323. The next prime is 55647379. The reversal of 55647325 is 52374655.

55647325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55647325 - 2¹ = 55647323 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 45117 + ... + 46333.

It is an arithmetic number, because the mean of its divisors is an integer number (3020640).

Almost surely, 2^55647325 is an apocalyptic number.

It is an amenable number.

55647325 is a deficient number, since it is larger than the sum of its proper divisors (16848035).

55647325 is a wasteful number, since it uses less digits than its factorization.

55647325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1312 counting only the distinct ones).

The product of its digits is 126000, while the sum is 37.

The square root of 55647325 is about 7459.7134663471. The cubic root of 55647325 is about 381.7813981863.

The spelling of 55647325 in words is "fifty-five million, six hundred forty-seven thousand, three hundred twenty-five".