53354511481 has 2 divisors, whose sum is σ = 53354511482. Its totient is φ = 53354511480.

The previous prime is 53354511449. The next prime is 53354511517. The reversal of 53354511481 is 18411545335.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26956385856 + 26398125625 = 164184^2 + 162475^2 .

It is a cyclic number.

It is not a de Polignac number, because 53354511481 - 2⁵ = 53354511449 is a prime.

It is a super-2 number, since 2×53354511481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53354511421) 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, 26677255740 + 26677255741.

It is an arithmetic number, because the mean of its divisors is an integer number (26677255741).

Almost surely, 2^53354511481 is an apocalyptic number.

It is an amenable number.

53354511481 is a deficient number, since it is larger than the sum of its proper divisors (1).

53354511481 is an equidigital number, since it uses as much as digits as its factorization.

53354511481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 40.

The spelling of 53354511481 in words is "fifty-three billion, three hundred fifty-four million, five hundred eleven thousand, four hundred eighty-one".