55318252 has 12 divisors (see below), whose sum is σ = 105607656. Its totient is φ = 25144640.

The previous prime is 55318189. The next prime is 55318259. The reversal of 55318252 is 25281355.

55318252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55318259) 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 3 ways as a sum of consecutive naturals, for example, 628573 + ... + 628660.

It is an arithmetic number, because the mean of its divisors is an integer number (8800638).

Almost surely, 2^55318252 is an apocalyptic number.

It is an amenable number.

55318252 is a deficient number, since it is larger than the sum of its proper divisors (50289404).

55318252 is a wasteful number, since it uses less digits than its factorization.

55318252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257248 (or 1257246 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 55318252 is about 7437.6240829985. The cubic root of 55318252 is about 381.0273492766.

The spelling of 55318252 in words is "fifty-five million, three hundred eighteen thousand, two hundred fifty-two".