53808743 has 2 divisors, whose sum is σ = 53808744. Its totient is φ = 53808742.

The previous prime is 53808739. The next prime is 53808751. The reversal of 53808743 is 34780835.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53808743 - 2² = 53808739 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 53808697 and 53808706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53808763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26904371 + 26904372.

It is an arithmetic number, because the mean of its divisors is an integer number (26904372).

Almost surely, 2^53808743 is an apocalyptic number.

53808743 is a deficient number, since it is larger than the sum of its proper divisors (1).

53808743 is an equidigital number, since it uses as much as digits as its factorization.

53808743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 53808743 is about 7335.4442946559. Note that the first 3 decimals coincide. The cubic root of 53808743 is about 377.5295487301.

The spelling of 53808743 in words is "fifty-three million, eight hundred eight thousand, seven hundred forty-three".