54847609 has 4 divisors (see below), whose sum is σ = 54874960. Its totient is φ = 54820260.

The previous prime is 54847591. The next prime is 54847619. The reversal of 54847609 is 90674845.

54847609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54847609 - 2⁹ = 54847097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54847619) 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 3 ways as a sum of consecutive naturals, for example, 10407 + ... + 14764.

It is an arithmetic number, because the mean of its divisors is an integer number (13718740).

Almost surely, 2^54847609 is an apocalyptic number.

It is an amenable number.

54847609 is a deficient number, since it is larger than the sum of its proper divisors (27351).

54847609 is a wasteful number, since it uses less digits than its factorization.

54847609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27350.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 54847609 is about 7405.9171612974. The cubic root of 54847609 is about 379.9436874079.

The spelling of 54847609 in words is "fifty-four million, eight hundred forty-seven thousand, six hundred nine".