52378559 has 2 divisors, whose sum is σ = 52378560. Its totient is φ = 52378558.

The previous prime is 52378541. The next prime is 52378589. The reversal of 52378559 is 95587325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52378559 - 2²⁰ = 51329983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52378589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26189279 + 26189280.

It is an arithmetic number, because the mean of its divisors is an integer number (26189280).

Almost surely, 2^52378559 is an apocalyptic number.

52378559 is a deficient number, since it is larger than the sum of its proper divisors (1).

52378559 is an equidigital number, since it uses as much as digits as its factorization.

52378559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 44.

The square root of 52378559 is about 7237.3032961180. The cubic root of 52378559 is about 374.1546802200.

The spelling of 52378559 in words is "fifty-two million, three hundred seventy-eight thousand, five hundred fifty-nine".