52345543 has 2 divisors, whose sum is σ = 52345544. Its totient is φ = 52345542.

The previous prime is 52345529. The next prime is 52345571. The reversal of 52345543 is 34554325.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52345543 - 2⁵ = 52345511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52345583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26172771 + 26172772.

It is an arithmetic number, because the mean of its divisors is an integer number (26172772).

Almost surely, 2^52345543 is an apocalyptic number.

52345543 is a deficient number, since it is larger than the sum of its proper divisors (1).

52345543 is an equidigital number, since it uses as much as digits as its factorization.

52345543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 31.

The square root of 52345543 is about 7235.0219764697. The cubic root of 52345543 is about 374.0760495259.

Adding to 52345543 its reverse (34554325), we get a palindrome (86899868).

The spelling of 52345543 in words is "fifty-two million, three hundred forty-five thousand, five hundred forty-three".