53759917 has 2 divisors, whose sum is σ = 53759918. Its totient is φ = 53759916.

The previous prime is 53759887. The next prime is 53760011. The reversal of 53759917 is 71995735.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37711881 + 16048036 = 6141^2 + 4006^2 .

It is a cyclic number.

It is not a de Polignac number, because 53759917 - 2¹⁹ = 53235629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53759617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26879958 + 26879959.

It is an arithmetic number, because the mean of its divisors is an integer number (26879959).

Almost surely, 2^53759917 is an apocalyptic number.

It is an amenable number.

53759917 is a deficient number, since it is larger than the sum of its proper divisors (1).

53759917 is an equidigital number, since it uses as much as digits as its factorization.

53759917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 297675, while the sum is 46.

The square root of 53759917 is about 7332.1154519006. The cubic root of 53759917 is about 377.4153241948.

The spelling of 53759917 in words is "fifty-three million, seven hundred fifty-nine thousand, nine hundred seventeen".