5656567 has 4 divisors (see below), whose sum is σ = 6464656. Its totient is φ = 4848480.

The previous prime is 5656559. The next prime is 5656577. The reversal of 5656567 is 7656565.

5656567 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is not a de Polignac number, because 5656567 - 2³ = 5656559 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a pancake number, because a pancake can be divided into 5656567 parts by 3363 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656577) 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, 404034 + ... + 404047.

It is an arithmetic number, because the mean of its divisors is an integer number (1616164).

Almost surely, 2^5656567 is an apocalyptic number.

5656567 is a deficient number, since it is larger than the sum of its proper divisors (808089).

5656567 is an equidigital number, since it uses as much as digits as its factorization.

5656567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808088.

The product of its digits is 189000, while the sum is 40.

The square root of 5656567 is about 2378.3538424717. The cubic root of 5656567 is about 178.1767276463.

The spelling of 5656567 in words is "five million, six hundred fifty-six thousand, five hundred sixty-seven".