52043051521 has 8 divisors (see below), whose sum is σ = 53715068640. Its totient is φ = 50397365568.

The previous prime is 52043051497. The next prime is 52043051527. The reversal of 52043051521 is 12515034025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52043051521 - 2⁷ = 52043051393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52043051521.

It is not an unprimeable number, because it can be changed into a prime (52043051527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6578776 + ... + 6586681.

It is an arithmetic number, because the mean of its divisors is an integer number (6714383580).

Almost surely, 2^52043051521 is an apocalyptic number.

It is an amenable number.

52043051521 is a deficient number, since it is larger than the sum of its proper divisors (1672017119).

52043051521 is a wasteful number, since it uses less digits than its factorization.

52043051521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13165583.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 52043051521 its reverse (12515034025), we get a palindrome (64558085546).

The spelling of 52043051521 in words is "fifty-two billion, forty-three million, fifty-one thousand, five hundred twenty-one".