52143541544 has 8 divisors (see below), whose sum is σ = 97769140410. Its totient is φ = 26071770768.

The previous prime is 52143541531. The next prime is 52143541573. The reversal of 52143541544 is 44514534125.

It can be written as a sum of positive squares in only one way, i.e., 38117876644 + 14025664900 = 195238^2 + 118430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 52143541498 and 52143541507.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3258971339 + ... + 3258971354.

Almost surely, 2^52143541544 is an apocalyptic number.

It is an amenable number.

52143541544 is a deficient number, since it is larger than the sum of its proper divisors (45625598866).

52143541544 is a wasteful number, since it uses less digits than its factorization.

52143541544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517942699 (or 6517942695 counting only the distinct ones).

The product of its digits is 192000, while the sum is 38.

The spelling of 52143541544 in words is "fifty-two billion, one hundred forty-three million, five hundred forty-one thousand, five hundred forty-four".