53673146533 has 2 divisors, whose sum is σ = 53673146534. Its totient is φ = 53673146532.

The previous prime is 53673146519. The next prime is 53673146551. The reversal of 53673146533 is 33564137635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36160064964 + 17513081569 = 190158^2 + 132337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53673146533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53673146503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26836573266 + 26836573267.

It is an arithmetic number, because the mean of its divisors is an integer number (26836573267).

Almost surely, 2^53673146533 is an apocalyptic number.

It is an amenable number.

53673146533 is a deficient number, since it is larger than the sum of its proper divisors (1).

53673146533 is an equidigital number, since it uses as much as digits as its factorization.

53673146533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 46.

The spelling of 53673146533 in words is "fifty-three billion, six hundred seventy-three million, one hundred forty-six thousand, five hundred thirty-three".