52128743 has 2 divisors, whose sum is σ = 52128744. Its totient is φ = 52128742.

The previous prime is 52128737. The next prime is 52128767. The reversal of 52128743 is 34782125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52128743 - 2⁶ = 52128679 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52128793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26064371 + 26064372.

It is an arithmetic number, because the mean of its divisors is an integer number (26064372).

Almost surely, 2^52128743 is an apocalyptic number.

52128743 is a deficient number, since it is larger than the sum of its proper divisors (1).

52128743 is an equidigital number, since it uses as much as digits as its factorization.

52128743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 52128743 is about 7220.0237534235. The cubic root of 52128743 is about 373.5588968707.

The spelling of 52128743 in words is "fifty-two million, one hundred twenty-eight thousand, seven hundred forty-three".