52113513543 has 48 divisors (see below), whose sum is σ = 87894051840. Its totient is φ = 26745323904.

The previous prime is 52113513539. The next prime is 52113513559. The reversal of 52113513543 is 34531531125.

It is not a de Polignac number, because 52113513543 - 2² = 52113513539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52113513533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304018 + ... + 443456.

It is an arithmetic number, because the mean of its divisors is an integer number (1831126080).

Almost surely, 2^52113513543 is an apocalyptic number.

52113513543 is a deficient number, since it is larger than the sum of its proper divisors (35780538297).

52113513543 is a wasteful number, since it uses less digits than its factorization.

52113513543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139536 (or 139499 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The spelling of 52113513543 in words is "fifty-two billion, one hundred thirteen million, five hundred thirteen thousand, five hundred forty-three".