53030533081 has 2 divisors, whose sum is σ = 53030533082. Its totient is φ = 53030533080.

The previous prime is 53030533051. The next prime is 53030533147. The reversal of 53030533081 is 18033503035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46898233600 + 6132299481 = 216560^2 + 78309^2 .

It is a cyclic number.

It is not a de Polignac number, because 53030533081 - 2¹¹ = 53030531033 is a prime.

It is a super-2 number, since 2×53030533081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53030533021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26515266540 + 26515266541.

It is an arithmetic number, because the mean of its divisors is an integer number (26515266541).

Almost surely, 2^53030533081 is an apocalyptic number.

It is an amenable number.

53030533081 is a deficient number, since it is larger than the sum of its proper divisors (1).

53030533081 is an equidigital number, since it uses as much as digits as its factorization.

53030533081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 53030533081 in words is "fifty-three billion, thirty million, five hundred thirty-three thousand, eighty-one".