54289491 has 8 divisors (see below), whose sum is σ = 72872400. Its totient is φ = 35949792.

The previous prime is 54289439. The next prime is 54289493. The reversal of 54289491 is 19498245.

54289491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 54289491 - 2⁶ = 54289427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54289493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60280 + ... + 61173.

It is an arithmetic number, because the mean of its divisors is an integer number (9109050).

Almost surely, 2^54289491 is an apocalyptic number.

54289491 is a deficient number, since it is larger than the sum of its proper divisors (18582909).

54289491 is a wasteful number, since it uses less digits than its factorization.

54289491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121605.

The product of its digits is 103680, while the sum is 42.

The square root of 54289491 is about 7368.1402673945. The cubic root of 54289491 is about 378.6505482329.

The spelling of 54289491 in words is "fifty-four million, two hundred eighty-nine thousand, four hundred ninety-one".