54493919 has 8 divisors (see below), whose sum is σ = 57750000. Its totient is φ = 51276672.

The previous prime is 54493913. The next prime is 54493927. The reversal of 54493919 is 91939445.

It is a happy number.

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 54493919 - 2⁴ = 54493903 is a prime.

It is a super-3 number, since 3×54493919³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54493919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54493913) 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, 6794 + ... + 12455.

It is an arithmetic number, because the mean of its divisors is an integer number (7218750).

Almost surely, 2^54493919 is an apocalyptic number.

54493919 is a deficient number, since it is larger than the sum of its proper divisors (3256081).

54493919 is a wasteful number, since it uses less digits than its factorization.

54493919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19417.

The product of its digits is 174960, while the sum is 44.

The square root of 54493919 is about 7381.9996613384. Note that the first 3 decimals coincide. The cubic root of 54493919 is about 379.1252246190.

The spelling of 54493919 in words is "fifty-four million, four hundred ninety-three thousand, nine hundred nineteen".