52565306 has 8 divisors (see below), whose sum is σ = 78907284. Its totient is φ = 26262880.

The previous prime is 52565297. The next prime is 52565339. The reversal of 52565306 is 60356525.

It can be written as a sum of positive squares in 2 ways, for example, as 52432081 + 133225 = 7241^2 + 365^2 .

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

It is a super-2 number, since 2×52565306² = 5526222789747272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6305 + ... + 12036.

Almost surely, 2^52565306 is an apocalyptic number.

52565306 is a deficient number, since it is larger than the sum of its proper divisors (26341978).

52565306 is a wasteful number, since it uses less digits than its factorization.

52565306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19776.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 52565306 is about 7250.1935146588. The cubic root of 52565306 is about 374.5988148061.

The spelling of 52565306 in words is "fifty-two million, five hundred sixty-five thousand, three hundred six".