53020561012643 has 8 divisors (see below), whose sum is σ = 60625058626560. Its totient is φ = 45423596337480.

The previous prime is 53020561012619. The next prime is 53020561012667. The reversal of 53020561012643 is 34621016502035.

It is an interprime number because it is at equal distance from previous prime (53020561012619) and next prime (53020561012667).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53020561012643 - 2¹⁴ = 53020560996259 is a prime.

It is a super-2 number, since 2×53020561012643² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53020561012597 and 53020561012606.

It is not an unprimeable number, because it can be changed into a prime (53020561012043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883219603 + ... + 1883247756.

It is an arithmetic number, because the mean of its divisors is an integer number (7578132328320).

Almost surely, 2^{53020561012643} is an apocalyptic number.

53020561012643 is a deficient number, since it is larger than the sum of its proper divisors (7604497613917).

53020561012643 is a wasteful number, since it uses less digits than its factorization.

53020561012643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766469377.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 53020561012643 its reverse (34621016502035), we get a palindrome (87641577514678).

The spelling of 53020561012643 in words is "fifty-three trillion, twenty billion, five hundred sixty-one million, twelve thousand, six hundred forty-three".