53043437 has 2 divisors, whose sum is σ = 53043438. Its totient is φ = 53043436.

The previous prime is 53043413. The next prime is 53043439. The reversal of 53043437 is 73434035.

It is a happy number.

53043437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52258441 + 784996 = 7229^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 53043437 - 2¹² = 53039341 is a prime.

Together with 53043439, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53043439) 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, 26521718 + 26521719.

It is an arithmetic number, because the mean of its divisors is an integer number (26521719).

Almost surely, 2^53043437 is an apocalyptic number.

It is an amenable number.

53043437 is a deficient number, since it is larger than the sum of its proper divisors (1).

53043437 is an equidigital number, since it uses as much as digits as its factorization.

53043437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 29.

The square root of 53043437 is about 7283.0925436932. The cubic root of 53043437 is about 375.7311648753.

The spelling of 53043437 in words is "fifty-three million, forty-three thousand, four hundred thirty-seven".