54421478 has 12 divisors (see below), whose sum is σ = 82399668. Its totient is φ = 26957280.

The previous prime is 54421397. The next prime is 54421481. The reversal of 54421478 is 87412445.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 24473 + ... + 26603.

It is an arithmetic number, because the mean of its divisors is an integer number (6866639).

Almost surely, 2^54421478 is an apocalyptic number.

54421478 is a deficient number, since it is larger than the sum of its proper divisors (27978190).

54421478 is a wasteful number, since it uses less digits than its factorization.

54421478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359 (or 2246 counting only the distinct ones).

The product of its digits is 35840, while the sum is 35.

The square root of 54421478 is about 7377.0914322652. The cubic root of 54421478 is about 378.9571545563.

It can be divided in two parts, 544 and 21478, that added together give a palindrome (22022).

The spelling of 54421478 in words is "fifty-four million, four hundred twenty-one thousand, four hundred seventy-eight".