53724089 has 2 divisors, whose sum is σ = 53724090. Its totient is φ = 53724088.

The previous prime is 53724061. The next prime is 53724091. The reversal of 53724089 is 98042735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53071225 + 652864 = 7285^2 + 808^2 .

It is a cyclic number.

It is not a de Polignac number, because 53724089 - 2⁸ = 53723833 is a prime.

It is a Sophie Germain prime.

Together with 53724091, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53724589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26862044 + 26862045.

It is an arithmetic number, because the mean of its divisors is an integer number (26862045).

Almost surely, 2^53724089 is an apocalyptic number.

It is an amenable number.

53724089 is a deficient number, since it is larger than the sum of its proper divisors (1).

53724089 is an equidigital number, since it uses as much as digits as its factorization.

53724089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 53724089 is about 7329.6718207571. The cubic root of 53724089 is about 377.3314634425.

The spelling of 53724089 in words is "fifty-three million, seven hundred twenty-four thousand, eighty-nine".