53523749 has 2 divisors, whose sum is σ = 53523750. Its totient is φ = 53523748.

The previous prime is 53523733. The next prime is 53523751. The reversal of 53523749 is 94732535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33721249 + 19802500 = 5807^2 + 4450^2 .

It is a cyclic number.

It is not a de Polignac number, because 53523749 - 2⁴ = 53523733 is a prime.

Together with 53523751, 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 (53523049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26761874 + 26761875.

It is an arithmetic number, because the mean of its divisors is an integer number (26761875).

Almost surely, 2^53523749 is an apocalyptic number.

It is an amenable number.

53523749 is a deficient number, since it is larger than the sum of its proper divisors (1).

53523749 is an equidigital number, since it uses as much as digits as its factorization.

53523749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 38.

The square root of 53523749 is about 7315.9926872571. The cubic root of 53523749 is about 376.8618494862.

The spelling of 53523749 in words is "fifty-three million, five hundred twenty-three thousand, seven hundred forty-nine".