55383238 has 8 divisors (see below), whose sum is σ = 83112480. Its totient is φ = 27679080.

The previous prime is 55383193. The next prime is 55383247. The reversal of 55383238 is 83238355.

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

It is a junction number, because it is equal to n+sod(n) for n = 55383197 and 55383206.

It is a congruent number.

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, 883 + ... + 10561.

It is an arithmetic number, because the mean of its divisors is an integer number (10389060).

Almost surely, 2^55383238 is an apocalyptic number.

55383238 is a deficient number, since it is larger than the sum of its proper divisors (27729242).

55383238 is a wasteful number, since it uses less digits than its factorization.

55383238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12542.

The product of its digits is 86400, while the sum is 37.

The square root of 55383238 is about 7441.9915345289. The cubic root of 55383238 is about 381.1764968753.

The spelling of 55383238 in words is "fifty-five million, three hundred eighty-three thousand, two hundred thirty-eight".