5656897 has 4 divisors (see below), whose sum is σ = 5667376. Its totient is φ = 5646420.

The previous prime is 5656837. The next prime is 5656921. The reversal of 5656897 is 7986565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5656897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5656817) 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, 4383 + ... + 5524.

It is an arithmetic number, because the mean of its divisors is an integer number (1416844).

Almost surely, 2^5656897 is an apocalyptic number.

It is an amenable number.

5656897 is a deficient number, since it is larger than the sum of its proper divisors (10479).

5656897 is an equidigital number, since it uses as much as digits as its factorization.

5656897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10478.

The product of its digits is 453600, while the sum is 46.

The square root of 5656897 is about 2378.4232171756. The cubic root of 5656897 is about 178.1801924791.

It can be divided in two parts, 56568 and 97, that added together give a palindrome (56665).

The spelling of 5656897 in words is "five million, six hundred fifty-six thousand, eight hundred ninety-seven".