52140043 has 2 divisors, whose sum is σ = 52140044. Its totient is φ = 52140042.

The previous prime is 52139963. The next prime is 52140059. The reversal of 52140043 is 34004125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52140043 - 2⁹ = 52139531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52140043.

It is not a weakly prime, because it can be changed into another prime (52140073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26070021 + 26070022.

It is an arithmetic number, because the mean of its divisors is an integer number (26070022).

Almost surely, 2^52140043 is an apocalyptic number.

52140043 is a deficient number, since it is larger than the sum of its proper divisors (1).

52140043 is an equidigital number, since it uses as much as digits as its factorization.

52140043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 52140043 is about 7220.8062569217. The cubic root of 52140043 is about 373.5858871664.

Adding to 52140043 its reverse (34004125), we get a palindrome (86144168).

The spelling of 52140043 in words is "fifty-two million, one hundred forty thousand, forty-three".