54181479 has 8 divisors (see below), whose sum is σ = 78809472. Its totient is φ = 32837240.

The previous prime is 54181471. The next prime is 54181507. The reversal of 54181479 is 97418145.

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

It is a cyclic number.

It is not a de Polignac number, because 54181479 - 2³ = 54181471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54181471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820899 + ... + 820964.

It is an arithmetic number, because the mean of its divisors is an integer number (9851184).

Almost surely, 2^54181479 is an apocalyptic number.

54181479 is a deficient number, since it is larger than the sum of its proper divisors (24627993).

54181479 is a wasteful number, since it uses less digits than its factorization.

54181479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641877.

The product of its digits is 40320, while the sum is 39.

The square root of 54181479 is about 7360.8069530453. The cubic root of 54181479 is about 378.3992659818.

The spelling of 54181479 in words is "fifty-four million, one hundred eighty-one thousand, four hundred seventy-nine".