52511416643 has 4 divisors (see below), whose sum is σ = 60013047600. Its totient is φ = 45009785688.

The previous prime is 52511416627. The next prime is 52511416681. The reversal of 52511416643 is 34661411525.

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

It is not a de Polignac number, because 52511416643 - 2⁴ = 52511416627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52511416597 and 52511416606.

It is not an unprimeable number, because it can be changed into a prime (52511416543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3750815468 + ... + 3750815481.

It is an arithmetic number, because the mean of its divisors is an integer number (15003261900).

Almost surely, 2^52511416643 is an apocalyptic number.

52511416643 is a deficient number, since it is larger than the sum of its proper divisors (7501630957).

52511416643 is an equidigital number, since it uses as much as digits as its factorization.

52511416643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501630956.

The product of its digits is 86400, while the sum is 38.

The spelling of 52511416643 in words is "fifty-two billion, five hundred eleven million, four hundred sixteen thousand, six hundred forty-three".