565627540 has 24 divisors (see below), whose sum is σ = 1191356712. Its totient is φ = 225576960.

The previous prime is 565627493. The next prime is 565627541. The reversal of 565627540 is 45726565.

It can be written as a sum of positive squares in 4 ways, for example, as 142420356 + 423207184 = 11934^2 + 20572^2 .

It is a junction number, because it is equal to n+sod(n) for n = 565627493 and 565627502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565627541) 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, 35221 + ... + 48700.

It is an arithmetic number, because the mean of its divisors is an integer number (49639863).

Almost surely, 2^565627540 is an apocalyptic number.

It is an amenable number.

565627540 is an abundant number, since it is smaller than the sum of its proper divisors (625729172).

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

565627540 is a wasteful number, since it uses less digits than its factorization.

565627540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84267 (or 84265 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 565627540 is about 23782.9253877651. The cubic root of 565627540 is about 827.0088980014.

The spelling of 565627540 in words is "five hundred sixty-five million, six hundred twenty-seven thousand, five hundred forty".