565653648 has 320 divisors, whose sum is σ = 1885593600. Its totient is φ = 145410048.

The previous prime is 565653643. The next prime is 565653703. The reversal of 565653648 is 846356565.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 565653597 and 565653606.

It is not an unprimeable number, because it can be changed into a prime (565653643) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12035161 + ... + 12035207.

It is an arithmetic number, because the mean of its divisors is an integer number (5892480).

Almost surely, 2^565653648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565653648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942796800).

565653648 is an abundant number, since it is smaller than the sum of its proper divisors (1319939952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

565653648 is a wasteful number, since it uses less digits than its factorization.

565653648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 119 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 48.

The square root of 565653648 is about 23783.4742626051. The cubic root of 565653648 is about 827.0216220495.

The spelling of 565653648 in words is "five hundred sixty-five million, six hundred fifty-three thousand, six hundred forty-eight".