53408917259 has 2 divisors, whose sum is σ = 53408917260. Its totient is φ = 53408917258.

The previous prime is 53408917223. The next prime is 53408917319. The reversal of 53408917259 is 95271980435.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53408917259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53408917259.

It is not a weakly prime, because it can be changed into another prime (53401917259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26704458629 + 26704458630.

It is an arithmetic number, because the mean of its divisors is an integer number (26704458630).

Almost surely, 2^53408917259 is an apocalyptic number.

53408917259 is a deficient number, since it is larger than the sum of its proper divisors (1).

53408917259 is an equidigital number, since it uses as much as digits as its factorization.

53408917259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 53408917259 in words is "fifty-three billion, four hundred eight million, nine hundred seventeen thousand, two hundred fifty-nine".