53484118817 has 2 divisors, whose sum is σ = 53484118818. Its totient is φ = 53484118816.

The previous prime is 53484118783. The next prime is 53484118843. The reversal of 53484118817 is 71881148435.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45894921361 + 7589197456 = 214231^2 + 87116^2 .

It is a cyclic number.

It is not a de Polignac number, because 53484118817 - 2¹⁶ = 53484053281 is a prime.

It is a super-3 number, since 3×53484118817³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (53484118847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26742059408 + 26742059409.

It is an arithmetic number, because the mean of its divisors is an integer number (26742059409).

Almost surely, 2^53484118817 is an apocalyptic number.

It is an amenable number.

53484118817 is a deficient number, since it is larger than the sum of its proper divisors (1).

53484118817 is an equidigital number, since it uses as much as digits as its factorization.

53484118817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 860160, while the sum is 50.

The spelling of 53484118817 in words is "fifty-three billion, four hundred eighty-four million, one hundred eighteen thousand, eight hundred seventeen".