54147745 has 8 divisors (see below), whose sum is σ = 65270016. Its totient is φ = 43123056.

The previous prime is 54147733. The next prime is 54147749. The reversal of 54147745 is 54774145.

54147745 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 a cyclic number.

It is not a de Polignac number, because 54147745 - 2²³ = 45759137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54147749) 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, 23167 + ... + 25396.

It is an arithmetic number, because the mean of its divisors is an integer number (8158752).

Almost surely, 2^54147745 is an apocalyptic number.

It is an amenable number.

54147745 is a deficient number, since it is larger than the sum of its proper divisors (11122271).

54147745 is a wasteful number, since it uses less digits than its factorization.

54147745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48791.

The product of its digits is 78400, while the sum is 37.

The square root of 54147745 is about 7358.5151355420. The cubic root of 54147745 is about 378.3207177941.

The spelling of 54147745 in words is "fifty-four million, one hundred forty-seven thousand, seven hundred forty-five".