53051311133 has 2 divisors, whose sum is σ = 53051311134. Its totient is φ = 53051311132.

The previous prime is 53051311091. The next prime is 53051311169. The reversal of 53051311133 is 33111315035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50634900484 + 2416410649 = 225022^2 + 49157^2 .

It is a cyclic number.

It is not a de Polignac number, because 53051311133 - 2¹² = 53051307037 is a prime.

It is a super-2 number, since 2×53051311133² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53051311633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26525655566 + 26525655567.

It is an arithmetic number, because the mean of its divisors is an integer number (26525655567).

Almost surely, 2^53051311133 is an apocalyptic number.

It is an amenable number.

53051311133 is a deficient number, since it is larger than the sum of its proper divisors (1).

53051311133 is an equidigital number, since it uses as much as digits as its factorization.

53051311133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2025, while the sum is 26.

Adding to 53051311133 its reverse (33111315035), we get a palindrome (86162626168).

The spelling of 53051311133 in words is "fifty-three billion, fifty-one million, three hundred eleven thousand, one hundred thirty-three".