52617569 has 2 divisors, whose sum is σ = 52617570. Its totient is φ = 52617568.

The previous prime is 52617547. The next prime is 52617599. The reversal of 52617569 is 96571625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38291344 + 14326225 = 6188^2 + 3785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52617569 is a prime.

It is a super-2 number, since 2×52617569² = 5537217134939522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52617529) 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 as a sum of consecutive naturals, namely, 26308784 + 26308785.

It is an arithmetic number, because the mean of its divisors is an integer number (26308785).

Almost surely, 2^52617569 is an apocalyptic number.

It is an amenable number.

52617569 is a deficient number, since it is larger than the sum of its proper divisors (1).

52617569 is an equidigital number, since it uses as much as digits as its factorization.

52617569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The square root of 52617569 is about 7253.7968678479. The cubic root of 52617569 is about 374.7229218428.

The spelling of 52617569 in words is "fifty-two million, six hundred seventeen thousand, five hundred sixty-nine".