55345328 has 20 divisors (see below), whose sum is σ = 112875960. Its totient is φ = 26216064.

The previous prime is 55345289. The next prime is 55345331. The reversal of 55345328 is 82354355.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90725 + ... + 91332.

It is an arithmetic number, because the mean of its divisors is an integer number (5643798).

Almost surely, 2^55345328 is an apocalyptic number.

It is an amenable number.

55345328 is an abundant number, since it is smaller than the sum of its proper divisors (57530632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55345328 is a wasteful number, since it uses less digits than its factorization.

55345328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182084 (or 182078 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 55345328 is about 7439.4440652511. Note that the first 3 decimals coincide. The cubic root of 55345328 is about 381.0895048545.

The spelling of 55345328 in words is "fifty-five million, three hundred forty-five thousand, three hundred twenty-eight".