52405546443 has 4 divisors (see below), whose sum is σ = 69874061928. Its totient is φ = 34937030960.

The previous prime is 52405546441. The next prime is 52405546463. The reversal of 52405546443 is 34464550425.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52405546443 - 2¹ = 52405546441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52405546395 and 52405546404.

It is not an unprimeable number, because it can be changed into a prime (52405546441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8734257738 + ... + 8734257743.

It is an arithmetic number, because the mean of its divisors is an integer number (17468515482).

Almost surely, 2^52405546443 is an apocalyptic number.

52405546443 is a deficient number, since it is larger than the sum of its proper divisors (17468515485).

52405546443 is a wasteful number, since it uses less digits than its factorization.

52405546443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17468515484.

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 52405546443 in words is "fifty-two billion, four hundred five million, five hundred forty-six thousand, four hundred forty-three".