54281439 has 12 divisors (see below), whose sum is σ = 78484536. Its totient is φ = 36151632.

The previous prime is 54281431. The next prime is 54281467. The reversal of 54281439 is 93418245.

54281439 is a `hidden beast` number, since 542 + 81 + 4 + 39 = 666.

It is not a de Polignac number, because 54281439 - 2³ = 54281431 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54281431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9132 + ... + 13854.

It is an arithmetic number, because the mean of its divisors is an integer number (6540378).

Almost surely, 2^54281439 is an apocalyptic number.

54281439 is a deficient number, since it is larger than the sum of its proper divisors (24203097).

54281439 is a wasteful number, since it uses less digits than its factorization.

54281439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006 (or 6003 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 54281439 is about 7367.5938405968. The cubic root of 54281439 is about 378.6318273294.

The spelling of 54281439 in words is "fifty-four million, two hundred eighty-one thousand, four hundred thirty-nine".