53789589533 has 2 divisors, whose sum is σ = 53789589534. Its totient is φ = 53789589532.

The previous prime is 53789589509. The next prime is 53789589629. The reversal of 53789589533 is 33598598735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49224965689 + 4564623844 = 221867^2 + 67562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53789589533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53789589533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53789589433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26894794766 + 26894794767.

It is an arithmetic number, because the mean of its divisors is an integer number (26894794767).

Almost surely, 2^53789589533 is an apocalyptic number.

It is an amenable number.

53789589533 is a deficient number, since it is larger than the sum of its proper divisors (1).

53789589533 is an equidigital number, since it uses as much as digits as its factorization.

53789589533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472000, while the sum is 65.

The spelling of 53789589533 in words is "fifty-three billion, seven hundred eighty-nine million, five hundred eighty-nine thousand, five hundred thirty-three".