565053320 has 32 divisors (see below), whose sum is σ = 1369168920. Its totient is φ = 208634880.

The previous prime is 565053319. The next prime is 565053323. The reversal of 565053320 is 23350565.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 504182116 + 60871204 = 22454^2 + 7802^2 .

It is not an unprimeable number, because it can be changed into a prime (565053323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542801 + ... + 543840.

Almost surely, 2^565053320 is an apocalyptic number.

It is an amenable number.

565053320 is an abundant number, since it is smaller than the sum of its proper divisors (804115600).

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

565053320 is a wasteful number, since it uses less digits than its factorization.

565053320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086665 (or 1086661 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 565053320 is about 23770.8502161786. The cubic root of 565053320 is about 826.7289459091.

The spelling of 565053320 in words is "five hundred sixty-five million, fifty-three thousand, three hundred twenty".