53664871441 has 2 divisors, whose sum is σ = 53664871442. Its totient is φ = 53664871440.

The previous prime is 53664871433. The next prime is 53664871453. The reversal of 53664871441 is 14417846635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28098140625 + 25566730816 = 167625^2 + 159896^2 .

It is a cyclic number.

It is not a de Polignac number, because 53664871441 - 2³ = 53664871433 is a prime.

It is not a weakly prime, because it can be changed into another prime (53664871411) 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, 26832435720 + 26832435721.

It is an arithmetic number, because the mean of its divisors is an integer number (26832435721).

Almost surely, 2^53664871441 is an apocalyptic number.

It is an amenable number.

53664871441 is a deficient number, since it is larger than the sum of its proper divisors (1).

53664871441 is an equidigital number, since it uses as much as digits as its factorization.

53664871441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 49.

The spelling of 53664871441 in words is "fifty-three billion, six hundred sixty-four million, eight hundred seventy-one thousand, four hundred forty-one".