53726369 has 2 divisors, whose sum is σ = 53726370. Its totient is φ = 53726368.

The previous prime is 53726353. The next prime is 53726389. The reversal of 53726369 is 96362735.

53726369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49168144 + 4558225 = 7012^2 + 2135^2 .

It is a cyclic number.

It is not a de Polignac number, because 53726369 - 2⁴ = 53726353 is a prime.

It is a super-2 number, since 2×53726369² = 5773045451848322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53726329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26863184 + 26863185.

It is an arithmetic number, because the mean of its divisors is an integer number (26863185).

Almost surely, 2^53726369 is an apocalyptic number.

It is an amenable number.

53726369 is a deficient number, since it is larger than the sum of its proper divisors (1).

53726369 is an equidigital number, since it uses as much as digits as its factorization.

53726369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 41.

The square root of 53726369 is about 7329.8273513092. The cubic root of 53726369 is about 377.3368012316.

The spelling of 53726369 in words is "fifty-three million, seven hundred twenty-six thousand, three hundred sixty-nine".