52564597 has 4 divisors (see below), whose sum is σ = 52680076. Its totient is φ = 52449120.

The previous prime is 52564579. The next prime is 52564609. The reversal of 52564597 is 79546525.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50112241 + 2452356 = 7079^2 + 1566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52564597 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 (52564997) by changing a digit.

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, 57054 + ... + 57967.

It is an arithmetic number, because the mean of its divisors is an integer number (13170019).

Almost surely, 2^52564597 is an apocalyptic number.

It is an amenable number.

52564597 is a deficient number, since it is larger than the sum of its proper divisors (115479).

52564597 is a wasteful number, since it uses less digits than its factorization.

52564597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115478.

The product of its digits is 378000, while the sum is 43.

The square root of 52564597 is about 7250.1446192473. The cubic root of 52564597 is about 374.5971306043.

The spelling of 52564597 in words is "fifty-two million, five hundred sixty-four thousand, five hundred ninety-seven".