51543022013343 has 192 divisors, whose sum is σ = 92464495119360. Its totient is φ = 28069438021632.

The previous prime is 51543022013321. The next prime is 51543022013383. The reversal of 51543022013343 is 34331022034515.

51543022013343 is a `hidden beast` number, since 5 + 1 + 5 + 4 + 302 + 2 + 0 + 1 + 3 + 343 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-51543022013343 is a prime.

It is a super-2 number, since 2×51543022013343² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51543022013298 and 51543022013307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51543022013303) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5064652671 + ... + 5064662847.

It is an arithmetic number, because the mean of its divisors is an integer number (481585912080).

Almost surely, 2^{51543022013343} is an apocalyptic number.

51543022013343 is a deficient number, since it is larger than the sum of its proper divisors (40921473106017).

51543022013343 is a wasteful number, since it uses less digits than its factorization.

51543022013343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11548 (or 11536 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 51543022013343 its reverse (34331022034515), we get a palindrome (85874044047858).

The spelling of 51543022013343 in words is "fifty-one trillion, five hundred forty-three billion, twenty-two million, thirteen thousand, three hundred forty-three".