537565599 has 8 divisors (see below), whose sum is σ = 796393520. Its totient is φ = 358377048.

The previous prime is 537565583. The next prime is 537565643. The reversal of 537565599 is 995565735.

It is a happy number.

537565599 is a `hidden beast` number, since 5 + 37 + 56 + 559 + 9 = 666.

It is not a de Polignac number, because 537565599 - 2⁴ = 537565583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537565099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9954892 + ... + 9954945.

It is an arithmetic number, because the mean of its divisors is an integer number (99549190).

Almost surely, 2^537565599 is an apocalyptic number.

537565599 is a deficient number, since it is larger than the sum of its proper divisors (258827921).

537565599 is a wasteful number, since it uses less digits than its factorization.

537565599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19909846 (or 19909840 counting only the distinct ones).

The product of its digits is 6378750, while the sum is 54.

The square root of 537565599 is about 23185.4609399943. The cubic root of 537565599 is about 813.0997413066.

The spelling of 537565599 in words is "five hundred thirty-seven million, five hundred sixty-five thousand, five hundred ninety-nine".