52515543343 has 4 divisors (see below), whose sum is σ = 52516900800. Its totient is φ = 52514185888.

The previous prime is 52515543331. The next prime is 52515543347. The reversal of 52515543343 is 34334551525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52515543343 is a prime.

It is a super-2 number, since 2×52515543343² (a number of 22 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 = 52515543296 and 52515543305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52515543347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618943 + ... + 698656.

It is an arithmetic number, because the mean of its divisors is an integer number (13129225200).

Almost surely, 2^52515543343 is an apocalyptic number.

52515543343 is a deficient number, since it is larger than the sum of its proper divisors (1357457).

52515543343 is a wasteful number, since it uses less digits than its factorization.

52515543343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357456.

The product of its digits is 540000, while the sum is 40.

The spelling of 52515543343 in words is "fifty-two billion, five hundred fifteen million, five hundred forty-three thousand, three hundred forty-three".