52543817 has 2 divisors, whose sum is σ = 52543818. Its totient is φ = 52543816.

The previous prime is 52543783. The next prime is 52543847. The reversal of 52543817 is 71834525.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46730896 + 5812921 = 6836^2 + 2411^2 .

It is a cyclic number.

It is not a de Polignac number, because 52543817 - 2¹⁰ = 52542793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52543847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26271908 + 26271909.

It is an arithmetic number, because the mean of its divisors is an integer number (26271909).

Almost surely, 2^52543817 is an apocalyptic number.

It is an amenable number.

52543817 is a deficient number, since it is larger than the sum of its proper divisors (1).

52543817 is an equidigital number, since it uses as much as digits as its factorization.

52543817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 35.

The square root of 52543817 is about 7248.7114027253. The cubic root of 52543817 is about 374.5477617972.

The spelling of 52543817 in words is "fifty-two million, five hundred forty-three thousand, eight hundred seventeen".