565650456 has 128 divisors (see below), whose sum is σ = 1653550080. Its totient is φ = 157925376.

The previous prime is 565650409. The next prime is 565650457. The reversal of 565650456 is 654056565.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565650457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1678320 + ... + 1678656.

It is an arithmetic number, because the mean of its divisors is an integer number (12918360).

Almost surely, 2^565650456 is an apocalyptic number.

565650456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 565650456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (826775040).

565650456 is an abundant number, since it is smaller than the sum of its proper divisors (1087899624).

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

565650456 is a wasteful number, since it uses less digits than its factorization.

565650456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The square root of 565650456 is about 23783.4071570917. The cubic root of 565650456 is about 827.0200664109.

The spelling of 565650456 in words is "five hundred sixty-five million, six hundred fifty thousand, four hundred fifty-six".