55624318 has 8 divisors (see below), whose sum is σ = 83676600. Its totient is φ = 27732120.

The previous prime is 55624297. The next prime is 55624339. The reversal of 55624318 is 81342655.

55624318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55624297) and next prime (55624339).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 39148 + ... + 40543.

It is an arithmetic number, because the mean of its divisors is an integer number (10459575).

Almost surely, 2^55624318 is an apocalyptic number.

55624318 is a deficient number, since it is larger than the sum of its proper divisors (28052282).

55624318 is a wasteful number, since it uses less digits than its factorization.

55624318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80042.

The product of its digits is 28800, while the sum is 34.

The square root of 55624318 is about 7458.1712235641. The cubic root of 55624318 is about 381.7287759778.

The spelling of 55624318 in words is "fifty-five million, six hundred twenty-four thousand, three hundred eighteen".