55235238 has 16 divisors (see below), whose sum is σ = 110614896. Its totient is φ = 18387680.

The previous prime is 55235209. The next prime is 55235251. The reversal of 55235238 is 83253255.

55235238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55235199 and 55235208.

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 7 ways as a sum of consecutive naturals, for example, 681 + ... + 10532.

It is an arithmetic number, because the mean of its divisors is an integer number (6913431).

Almost surely, 2^55235238 is an apocalyptic number.

55235238 is an abundant number, since it is smaller than the sum of its proper divisors (55379658).

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

55235238 is a wasteful number, since it uses less digits than its factorization.

55235238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12039.

The product of its digits is 36000, while the sum is 33.

The square root of 55235238 is about 7432.0413077431. The cubic root of 55235238 is about 380.8366560984.

The spelling of 55235238 in words is "fifty-five million, two hundred thirty-five thousand, two hundred thirty-eight".