54281378 has 8 divisors (see below), whose sum is σ = 81455772. Its totient is φ = 27129456.

The previous prime is 54281377. The next prime is 54281387. The reversal of 54281378 is 87318245.

It can be written as a sum of positive squares in 2 ways, for example, as 49942489 + 4338889 = 7067^2 + 2083^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54281377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3176 + ... + 10892.

Almost surely, 2^54281378 is an apocalyptic number.

54281378 is a deficient number, since it is larger than the sum of its proper divisors (27174394).

54281378 is a wasteful number, since it uses less digits than its factorization.

54281378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236.

The product of its digits is 53760, while the sum is 38.

The square root of 54281378 is about 7367.5897008452. The cubic root of 54281378 is about 378.6316854974.

The spelling of 54281378 in words is "fifty-four million, two hundred eighty-one thousand, three hundred seventy-eight".