53217767 has 2 divisors, whose sum is σ = 53217768. Its totient is φ = 53217766.

The previous prime is 53217763. The next prime is 53217779. The reversal of 53217767 is 76771235.

53217767 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53217767 - 2² = 53217763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53217767.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53217763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26608883 + 26608884.

It is an arithmetic number, because the mean of its divisors is an integer number (26608884).

Almost surely, 2^53217767 is an apocalyptic number.

53217767 is a deficient number, since it is larger than the sum of its proper divisors (1).

53217767 is an equidigital number, since it uses as much as digits as its factorization.

53217767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61740, while the sum is 38.

The square root of 53217767 is about 7295.0508565739. The cubic root of 53217767 is about 376.1423347309.

The spelling of 53217767 in words is "fifty-three million, two hundred seventeen thousand, seven hundred sixty-seven".