52503565 has 8 divisors (see below), whose sum is σ = 66710520. Its totient is φ = 39532032.

The previous prime is 52503557. The next prime is 52503587. The reversal of 52503565 is 56530525.

It can be written as a sum of positive squares in 4 ways, for example, as 2079364 + 50424201 = 1442^2 + 7101^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52503565 - 2³ = 52503557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308760 + ... + 308929.

It is an arithmetic number, because the mean of its divisors is an integer number (8338815).

Almost surely, 2^52503565 is an apocalyptic number.

It is an amenable number.

52503565 is a deficient number, since it is larger than the sum of its proper divisors (14206955).

52503565 is a wasteful number, since it uses less digits than its factorization.

52503565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617711.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 52503565 is about 7245.9343772905. The cubic root of 52503565 is about 374.4520946707.

The spelling of 52503565 in words is "fifty-two million, five hundred three thousand, five hundred sixty-five".