52815589 has 2 divisors, whose sum is σ = 52815590. Its totient is φ = 52815588.

The previous prime is 52815559. The next prime is 52815601. The reversal of 52815589 is 98551825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39162564 + 13653025 = 6258^2 + 3695^2 .

It is a cyclic number.

It is not a de Polignac number, because 52815589 - 2⁵ = 52815557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52815509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26407794 + 26407795.

It is an arithmetic number, because the mean of its divisors is an integer number (26407795).

Almost surely, 2^52815589 is an apocalyptic number.

It is an amenable number.

52815589 is a deficient number, since it is larger than the sum of its proper divisors (1).

52815589 is an equidigital number, since it uses as much as digits as its factorization.

52815589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 43.

The square root of 52815589 is about 7267.4334534277. The cubic root of 52815589 is about 375.1924085196.

The spelling of 52815589 in words is "fifty-two million, eight hundred fifteen thousand, five hundred eighty-nine".