55324663 has 4 divisors (see below), whose sum is σ = 57232440. Its totient is φ = 53416888.

The previous prime is 55324609. The next prime is 55324673. The reversal of 55324663 is 36642355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55324663 - 2⁹ = 55324151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55324603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953845 + ... + 953902.

It is an arithmetic number, because the mean of its divisors is an integer number (14308110).

Almost surely, 2^55324663 is an apocalyptic number.

55324663 is a deficient number, since it is larger than the sum of its proper divisors (1907777).

55324663 is a wasteful number, since it uses less digits than its factorization.

55324663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907776.

The product of its digits is 64800, while the sum is 34.

The square root of 55324663 is about 7438.0550549186. The cubic root of 55324663 is about 381.0420681798.

The spelling of 55324663 in words is "fifty-five million, three hundred twenty-four thousand, six hundred sixty-three".