53891494441 has 2 divisors, whose sum is σ = 53891494442. Its totient is φ = 53891494440.

The previous prime is 53891494369. The next prime is 53891494451. The reversal of 53891494441 is 14449419835.

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., 28289894416 + 25601600025 = 168196^2 + 160005^2 .

It is a cyclic number.

It is not a de Polignac number, because 53891494441 - 2³¹ = 51744010793 is a prime.

It is not a weakly prime, because it can be changed into another prime (53891494451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26945747220 + 26945747221.

It is an arithmetic number, because the mean of its divisors is an integer number (26945747221).

Almost surely, 2^53891494441 is an apocalyptic number.

It is an amenable number.

53891494441 is a deficient number, since it is larger than the sum of its proper divisors (1).

53891494441 is an equidigital number, since it uses as much as digits as its factorization.

53891494441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 52.

The spelling of 53891494441 in words is "fifty-three billion, eight hundred ninety-one million, four hundred ninety-four thousand, four hundred forty-one".