54105847 has 4 divisors (see below), whose sum is σ = 54226800. Its totient is φ = 53984896.

The previous prime is 54105839. The next prime is 54105871. The reversal of 54105847 is 74850145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74850145 = 5 ⋅14970029.

It is a cyclic number.

It is not a de Polignac number, because 54105847 - 2³ = 54105839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54105817) 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 3 ways as a sum of consecutive naturals, for example, 59803 + ... + 60700.

It is an arithmetic number, because the mean of its divisors is an integer number (13556700).

Almost surely, 2^54105847 is an apocalyptic number.

54105847 is a deficient number, since it is larger than the sum of its proper divisors (120953).

54105847 is a wasteful number, since it uses less digits than its factorization.

54105847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120952.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 54105847 is about 7355.6676787359. The cubic root of 54105847 is about 378.2231146436.

The spelling of 54105847 in words is "fifty-four million, one hundred five thousand, eight hundred forty-seven".