53257679 has 2 divisors, whose sum is σ = 53257680. Its totient is φ = 53257678.

The previous prime is 53257669. The next prime is 53257681. The reversal of 53257679 is 97675235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53257679 - 2⁸ = 53257423 is a prime.

Together with 53257681, 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 (53257609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26628839 + 26628840.

It is an arithmetic number, because the mean of its divisors is an integer number (26628840).

Almost surely, 2^53257679 is an apocalyptic number.

53257679 is a deficient number, since it is larger than the sum of its proper divisors (1).

53257679 is an equidigital number, since it uses as much as digits as its factorization.

53257679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396900, while the sum is 44.

The square root of 53257679 is about 7297.7858971061. The cubic root of 53257679 is about 376.2363436948.

The spelling of 53257679 in words is "fifty-three million, two hundred fifty-seven thousand, six hundred seventy-nine".