52500332143421 has 8 divisors (see below), whose sum is σ = 52545884595000. Its totient is φ = 52454785324032.

The previous prime is 52500332143409. The next prime is 52500332143463. The reversal of 52500332143421 is 12434123300525.

It can be written as a sum of positive squares in 4 ways, for example, as 6488380672900 + 46011951470521 = 2547230^2 + 6783211^2 .

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 52500332143421 - 2¹⁴ = 52500332127037 is a prime.

It is a super-2 number, since 2×52500332143421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52500332043421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17351321 + ... + 20151153.

It is an arithmetic number, because the mean of its divisors is an integer number (6568235574375).

Almost surely, 2^{52500332143421} is an apocalyptic number.

It is an amenable number.

52500332143421 is a deficient number, since it is larger than the sum of its proper divisors (45552451579).

52500332143421 is a wasteful number, since it uses less digits than its factorization.

52500332143421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816095.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 52500332143421 its reverse (12434123300525), we get a palindrome (64934455443946).

The spelling of 52500332143421 in words is "fifty-two trillion, five hundred billion, three hundred thirty-two million, one hundred forty-three thousand, four hundred twenty-one".