5657447 has 4 divisors (see below), whose sum is σ = 5990256. Its totient is φ = 5324640.

The previous prime is 5657441. The next prime is 5657461. The reversal of 5657447 is 7447565.

5657447 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 7447565 = 5 ⋅1489513.

It is a cyclic number.

It is not a de Polignac number, because 5657447 - 2¹⁰ = 5656423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5657447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657441) 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, 166379 + ... + 166412.

It is an arithmetic number, because the mean of its divisors is an integer number (1497564).

Almost surely, 2^5657447 is an apocalyptic number.

5657447 is a deficient number, since it is larger than the sum of its proper divisors (332809).

5657447 is a wasteful number, since it uses less digits than its factorization.

5657447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332808.

The product of its digits is 117600, while the sum is 38.

The square root of 5657447 is about 2378.5388371856. The cubic root of 5657447 is about 178.1859669011.

The spelling of 5657447 in words is "five million, six hundred fifty-seven thousand, four hundred forty-seven".