52726439 has 2 divisors, whose sum is σ = 52726440. Its totient is φ = 52726438.

The previous prime is 52726423. The next prime is 52726477. The reversal of 52726439 is 93462725.

It is an a-pointer prime, because the next prime (52726477) can be obtained adding 52726439 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52726439 - 2⁴ = 52726423 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52756439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26363219 + 26363220.

It is an arithmetic number, because the mean of its divisors is an integer number (26363220).

Almost surely, 2^52726439 is an apocalyptic number.

52726439 is a deficient number, since it is larger than the sum of its proper divisors (1).

52726439 is an equidigital number, since it uses as much as digits as its factorization.

52726439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 52726439 is about 7261.2973358760. The cubic root of 52726439 is about 374.9811877970.

It can be divided in two parts, 5272 and 6439, that added together give a palindrome (11711).

The spelling of 52726439 in words is "fifty-two million, seven hundred twenty-six thousand, four hundred thirty-nine".