53042563021633 has 4 divisors (see below), whose sum is σ = 53834243066800. Its totient is φ = 52250882976468.

The previous prime is 53042563021597. The next prime is 53042563021639. The reversal of 53042563021633 is 33612036524035.

53042563021633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53042563021633 - 2²⁹ = 53042026150721 is a prime.

It is a super-3 number, since 3×53042563021633³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53042563021633.

It is not an unprimeable number, because it can be changed into a prime (53042563021639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395840022483 + ... + 395840022616.

It is an arithmetic number, because the mean of its divisors is an integer number (13458560766700).

Almost surely, 2^{53042563021633} is an apocalyptic number.

It is an amenable number.

53042563021633 is a deficient number, since it is larger than the sum of its proper divisors (791680045167).

53042563021633 is an equidigital number, since it uses as much as digits as its factorization.

53042563021633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791680045166.

The product of its (nonzero) digits is 1166400, while the sum is 43.

Adding to 53042563021633 its reverse (33612036524035), we get a palindrome (86654599545668).

The spelling of 53042563021633 in words is "fifty-three trillion, forty-two billion, five hundred sixty-three million, twenty-one thousand, six hundred thirty-three".