54394247 has 4 divisors (see below), whose sum is σ = 54478200. Its totient is φ = 54310296.

The previous prime is 54394231. The next prime is 54394253. The reversal of 54394247 is 74249345.

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

It is a cyclic number.

It is not a de Polignac number, because 54394247 - 2⁴ = 54394231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54394247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54394147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40997 + ... + 42302.

It is an arithmetic number, because the mean of its divisors is an integer number (13619550).

Almost surely, 2^54394247 is an apocalyptic number.

54394247 is a deficient number, since it is larger than the sum of its proper divisors (83953).

54394247 is an equidigital number, since it uses as much as digits as its factorization.

54394247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83952.

The product of its digits is 120960, while the sum is 38.

The square root of 54394247 is about 7375.2455552341. The cubic root of 54394247 is about 378.8939374570.

The spelling of 54394247 in words is "fifty-four million, three hundred ninety-four thousand, two hundred forty-seven".