5656697 has 4 divisors (see below), whose sum is σ = 5734260. Its totient is φ = 5579136.

The previous prime is 5656691. The next prime is 5656723. The reversal of 5656697 is 7966565.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1229881 + 4426816 = 1109^2 + 2104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5656697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5656691) 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, 38672 + ... + 38817.

It is an arithmetic number, because the mean of its divisors is an integer number (1433565).

Almost surely, 2^5656697 is an apocalyptic number.

It is an amenable number.

5656697 is a deficient number, since it is larger than the sum of its proper divisors (77563).

5656697 is an equidigital number, since it uses as much as digits as its factorization.

5656697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77562.

The product of its digits is 340200, while the sum is 44.

The square root of 5656697 is about 2378.3811721421. The cubic root of 5656697 is about 178.1780925966.

The spelling of 5656697 in words is "five million, six hundred fifty-six thousand, six hundred ninety-seven".