53073580081 has 2 divisors, whose sum is σ = 53073580082. Its totient is φ = 53073580080.

The previous prime is 53073579983. The next prime is 53073580121. The reversal of 53073580081 is 18008537035.

It is an a-pointer prime, because the next prime (53073580121) can be obtained adding 53073580081 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53021970225 + 51609856 = 230265^2 + 7184^2 .

It is a cyclic number.

It is not a de Polignac number, because 53073580081 - 2¹⁹ = 53073055793 is a prime.

It is a super-2 number, since 2×53073580081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53073581081) 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, 26536790040 + 26536790041.

It is an arithmetic number, because the mean of its divisors is an integer number (26536790041).

Almost surely, 2^53073580081 is an apocalyptic number.

It is an amenable number.

53073580081 is a deficient number, since it is larger than the sum of its proper divisors (1).

53073580081 is an equidigital number, since it uses as much as digits as its factorization.

53073580081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 53073580081 in words is "fifty-three billion, seventy-three million, five hundred eighty thousand, eighty-one".