53478143417 has 2 divisors, whose sum is σ = 53478143418. Its totient is φ = 53478143416.

The previous prime is 53478143357. The next prime is 53478143441. The reversal of 53478143417 is 71434187435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42450833296 + 11027310121 = 206036^2 + 105011^2 .

It is a cyclic number.

It is not a de Polignac number, because 53478143417 - 2⁶ = 53478143353 is a prime.

It is not a weakly prime, because it can be changed into another prime (53478146417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26739071708 + 26739071709.

It is an arithmetic number, because the mean of its divisors is an integer number (26739071709).

Almost surely, 2^53478143417 is an apocalyptic number.

It is an amenable number.

53478143417 is a deficient number, since it is larger than the sum of its proper divisors (1).

53478143417 is an equidigital number, since it uses as much as digits as its factorization.

53478143417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 47.

The spelling of 53478143417 in words is "fifty-three billion, four hundred seventy-eight million, one hundred forty-three thousand, four hundred seventeen".