565656550601 has 4 divisors (see below), whose sum is σ = 567197849472. Its totient is φ = 564115251732.

The previous prime is 565656550577. The next prime is 565656550603. The reversal of 565656550601 is 106055656565.

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 not a de Polignac number, because 565656550601 - 2¹⁴ = 565656534217 is a prime.

It is a super-2 number, since 2×565656550601² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 565656550601.

It is not an unprimeable number, because it can be changed into a prime (565656550603) 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, 770648885 + ... + 770649618.

It is an arithmetic number, because the mean of its divisors is an integer number (141799462368).

Almost surely, 2^565656550601 is an apocalyptic number.

It is an amenable number.

565656550601 is a deficient number, since it is larger than the sum of its proper divisors (1541298871).

565656550601 is a wasteful number, since it uses less digits than its factorization.

565656550601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541298870.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 565656550601 in words is "five hundred sixty-five billion, six hundred fifty-six million, five hundred fifty thousand, six hundred one".