52559965 has 8 divisors (see below), whose sum is σ = 63113688. Its totient is φ = 42020160.

The previous prime is 52559963. The next prime is 52559981. The reversal of 52559965 is 56995525.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2913849 + 49646116 = 1707^2 + 7046^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52559965 - 2¹ = 52559963 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 (52559963) 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, 8739 + ... + 13471.

It is an arithmetic number, because the mean of its divisors is an integer number (7889211).

Almost surely, 2^52559965 is an apocalyptic number.

It is an amenable number.

52559965 is a deficient number, since it is larger than the sum of its proper divisors (10553723).

52559965 is a wasteful number, since it uses less digits than its factorization.

52559965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6959.

The product of its digits is 607500, while the sum is 46.

The square root of 52559965 is about 7249.8251703058. The cubic root of 52559965 is about 374.5861270963.

The spelling of 52559965 in words is "fifty-two million, five hundred fifty-nine thousand, nine hundred sixty-five".