52537316874321 has 4 divisors (see below), whose sum is σ = 70049755832432. Its totient is φ = 35024877916212.

The previous prime is 52537316874247. The next prime is 52537316874331. The reversal of 52537316874321 is 12347861373525.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52537316874321 - 2⁹ = 52537316873809 is a prime.

It is a super-2 number, since 2×52537316874321² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52537316874331) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 8756219479051 + ... + 8756219479056.

It is an arithmetic number, because the mean of its divisors is an integer number (17512438958108).

Almost surely, 2^{52537316874321} is an apocalyptic number.

It is an amenable number.

52537316874321 is a deficient number, since it is larger than the sum of its proper divisors (17512438958111).

52537316874321 is a wasteful number, since it uses less digits than its factorization.

52537316874321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17512438958110.

The product of its digits is 25401600, while the sum is 57.

The spelling of 52537316874321 in words is "fifty-two trillion, five hundred thirty-seven billion, three hundred sixteen million, eight hundred seventy-four thousand, three hundred twenty-one".