52543215413 has 16 divisors (see below), whose sum is σ = 56835036720. Its totient is φ = 48287318016.

The previous prime is 52543215371. The next prime is 52543215437. The reversal of 52543215413 is 31451234525.

It can be written as a sum of positive squares in 8 ways, for example, as 119617969 + 52423597444 = 10937^2 + 228962^2 .

It is a cyclic number.

It is not a de Polignac number, because 52543215413 - 2¹⁴ = 52543199029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52543415413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9916781 + ... + 9922077.

It is an arithmetic number, because the mean of its divisors is an integer number (3552189795).

Almost surely, 2^52543215413 is an apocalyptic number.

It is an amenable number.

52543215413 is a deficient number, since it is larger than the sum of its proper divisors (4291821307).

52543215413 is a wasteful number, since it uses less digits than its factorization.

52543215413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8536.

The product of its digits is 72000, while the sum is 35.

Adding to 52543215413 its reverse (31451234525), we get a palindrome (83994449938).

The spelling of 52543215413 in words is "fifty-two billion, five hundred forty-three million, two hundred fifteen thousand, four hundred thirteen".