53135268533 has 2 divisors, whose sum is σ = 53135268534. Its totient is φ = 53135268532.

The previous prime is 53135268523. The next prime is 53135268553. The reversal of 53135268533 is 33586253135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36036567889 + 17098700644 = 189833^2 + 130762^2 .

It is a cyclic number.

It is not a de Polignac number, because 53135268533 - 2¹⁶ = 53135202997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53135268523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26567634266 + 26567634267.

It is an arithmetic number, because the mean of its divisors is an integer number (26567634267).

Almost surely, 2^53135268533 is an apocalyptic number.

It is an amenable number.

53135268533 is a deficient number, since it is larger than the sum of its proper divisors (1).

53135268533 is an equidigital number, since it uses as much as digits as its factorization.

53135268533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 44.

The spelling of 53135268533 in words is "fifty-three billion, one hundred thirty-five million, two hundred sixty-eight thousand, five hundred thirty-three".