53726447 has 2 divisors, whose sum is σ = 53726448. Its totient is φ = 53726446.

The previous prime is 53726437. The next prime is 53726489. The reversal of 53726447 is 74462735.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53726447 - 2⁸ = 53726191 is a prime.

It is a super-2 number, since 2×53726447² = 5773062214487618, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 53726447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53726417) 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, 26863223 + 26863224.

It is an arithmetic number, because the mean of its divisors is an integer number (26863224).

Almost surely, 2^53726447 is an apocalyptic number.

53726447 is a deficient number, since it is larger than the sum of its proper divisors (1).

53726447 is an equidigital number, since it uses as much as digits as its factorization.

53726447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 38.

The square root of 53726447 is about 7329.8326720328. The cubic root of 53726447 is about 377.3369838375.

The spelling of 53726447 in words is "fifty-three million, seven hundred twenty-six thousand, four hundred forty-seven".