52530586 has 4 divisors (see below), whose sum is σ = 78795882. Its totient is φ = 26265292.

The previous prime is 52530509. The next prime is 52530587. The reversal of 52530586 is 68503525.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27720225 + 24810361 = 5265^2 + 4981^2 .

It is not an unprimeable number, because it can be changed into a prime (52530587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13132645 + ... + 13132648.

Almost surely, 2^52530586 is an apocalyptic number.

52530586 is a deficient number, since it is larger than the sum of its proper divisors (26265296).

52530586 is a wasteful number, since it uses less digits than its factorization.

52530586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26265295.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 52530586 is about 7247.7987002951. The cubic root of 52530586 is about 374.5163210065.

The spelling of 52530586 in words is "fifty-two million, five hundred thirty thousand, five hundred eighty-six".