5657659 has 4 divisors (see below), whose sum is σ = 6465904. Its totient is φ = 4849416.

The previous prime is 5657657. The next prime is 5657671. The reversal of 5657659 is 9567565.

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 5657659 - 2¹ = 5657657 is a prime.

It is a Duffinian number.

5657659 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5657657) 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, 404112 + ... + 404125.

It is an arithmetic number, because the mean of its divisors is an integer number (1616476).

Almost surely, 2^5657659 is an apocalyptic number.

5657659 is a deficient number, since it is larger than the sum of its proper divisors (808245).

5657659 is an equidigital number, since it uses as much as digits as its factorization.

5657659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808244.

The product of its digits is 283500, while the sum is 43.

The square root of 5657659 is about 2378.5834019433. The cubic root of 5657659 is about 178.1881925783.

The spelling of 5657659 in words is "five million, six hundred fifty-seven thousand, six hundred fifty-nine".