53936849 has 2 divisors, whose sum is σ = 53936850. Its totient is φ = 53936848.

The previous prime is 53936843. The next prime is 53936851. The reversal of 53936849 is 94863935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52823824 + 1113025 = 7268^2 + 1055^2 .

It is a cyclic number.

It is not a de Polignac number, because 53936849 - 2⁴ = 53936833 is a prime.

It is a Sophie Germain prime.

Together with 53936851, 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 (53936843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26968424 + 26968425.

It is an arithmetic number, because the mean of its divisors is an integer number (26968425).

Almost surely, 2^53936849 is an apocalyptic number.

It is an amenable number.

53936849 is a deficient number, since it is larger than the sum of its proper divisors (1).

53936849 is an equidigital number, since it uses as much as digits as its factorization.

53936849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 47.

The square root of 53936849 is about 7344.1710900550. The cubic root of 53936849 is about 377.8289143933.

The spelling of 53936849 in words is "fifty-three million, nine hundred thirty-six thousand, eight hundred forty-nine".