53728679 has 2 divisors, whose sum is σ = 53728680. Its totient is φ = 53728678.

The previous prime is 53728663. The next prime is 53728681. The reversal of 53728679 is 97682735.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53728679 - 2⁴ = 53728663 is a prime.

It is a Sophie Germain prime.

Together with 53728681, 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 (53728579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26864339 + 26864340.

It is an arithmetic number, because the mean of its divisors is an integer number (26864340).

Almost surely, 2^53728679 is an apocalyptic number.

53728679 is a deficient number, since it is larger than the sum of its proper divisors (1).

53728679 is an equidigital number, since it uses as much as digits as its factorization.

53728679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 53728679 is about 7329.9849249504. The cubic root of 53728679 is about 377.3422091007.

The spelling of 53728679 in words is "fifty-three million, seven hundred twenty-eight thousand, six hundred seventy-nine".