52240043 has 2 divisors, whose sum is σ = 52240044. Its totient is φ = 52240042.

The previous prime is 52239989. The next prime is 52240057. The reversal of 52240043 is 34004225.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52240043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52239997 and 52240024.

It is not a weakly prime, because it can be changed into another prime (52240543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26120021 + 26120022.

It is an arithmetic number, because the mean of its divisors is an integer number (26120022).

Almost surely, 2^52240043 is an apocalyptic number.

52240043 is a deficient number, since it is larger than the sum of its proper divisors (1).

52240043 is an equidigital number, since it uses as much as digits as its factorization.

52240043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 52240043 is about 7227.7273744933. The cubic root of 52240043 is about 373.8245695590.

Adding to 52240043 its reverse (34004225), we get a palindrome (86244268).

The spelling of 52240043 in words is "fifty-two million, two hundred forty thousand, forty-three".