54004247 has 4 divisors (see below), whose sum is σ = 58913736. Its totient is φ = 49094760.

The previous prime is 54004229. The next prime is 54004271. The reversal of 54004247 is 74240045.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54004247 - 2⁸ = 54003991 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 (54001247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454728 + ... + 2454749.

It is an arithmetic number, because the mean of its divisors is an integer number (14728434).

Almost surely, 2^54004247 is an apocalyptic number.

54004247 is a deficient number, since it is larger than the sum of its proper divisors (4909489).

54004247 is a wasteful number, since it uses less digits than its factorization.

54004247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909488.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 54004247 is about 7348.7581944163. The cubic root of 54004247 is about 377.9862237544.

The spelling of 54004247 in words is "fifty-four million, four thousand, two hundred forty-seven".