55358312 has 16 divisors (see below), whose sum is σ = 107145600. Its totient is φ = 26786160.

The previous prime is 55358297. The next prime is 55358321. The reversal of 55358312 is 21385355.

55358312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 111362 + ... + 111857.

It is an arithmetic number, because the mean of its divisors is an integer number (6696600).

Almost surely, 2^55358312 is an apocalyptic number.

It is an amenable number.

55358312 is a deficient number, since it is larger than the sum of its proper divisors (51787288).

55358312 is a wasteful number, since it uses less digits than its factorization.

55358312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223256 (or 223252 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 55358312 is about 7440.3166599279. The cubic root of 55358312 is about 381.1193036917.

The spelling of 55358312 in words is "fifty-five million, three hundred fifty-eight thousand, three hundred twelve".