52543111 has 2 divisors, whose sum is σ = 52543112. Its totient is φ = 52543110.

The previous prime is 52543093. The next prime is 52543121. The reversal of 52543111 is 11134525.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52543111 - 2¹⁷ = 52412039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52543121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26271555 + 26271556.

It is an arithmetic number, because the mean of its divisors is an integer number (26271556).

Almost surely, 2^52543111 is an apocalyptic number.

52543111 is a deficient number, since it is larger than the sum of its proper divisors (1).

52543111 is an equidigital number, since it uses as much as digits as its factorization.

52543111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 22.

The square root of 52543111 is about 7248.6627042510. The cubic root of 52543111 is about 374.5460842645.

Adding to 52543111 its reverse (11134525), we get a palindrome (63677636).

The spelling of 52543111 in words is "fifty-two million, five hundred forty-three thousand, one hundred eleven".