54381338 has 16 divisors (see below), whose sum is σ = 92857536. Its totient is φ = 23643840.

The previous prime is 54381337. The next prime is 54381367. The reversal of 54381338 is 83318345.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54381298 and 54381307.

It is not an unprimeable number, because it can be changed into a prime (54381337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53231 + ... + 54242.

It is an arithmetic number, because the mean of its divisors is an integer number (5803596).

Almost surely, 2^54381338 is an apocalyptic number.

54381338 is a deficient number, since it is larger than the sum of its proper divisors (38476198).

54381338 is a wasteful number, since it uses less digits than its factorization.

54381338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107509.

The product of its digits is 34560, while the sum is 35.

The square root of 54381338 is about 7374.3703460024. The cubic root of 54381338 is about 378.8639616839.

It can be divided in two parts, 5438 and 1338, that added together give a palindrome (6776).

The spelling of 54381338 in words is "fifty-four million, three hundred eighty-one thousand, three hundred thirty-eight".