53276521273 has 4 divisors (see below), whose sum is σ = 53277246180. Its totient is φ = 53275796368.

The previous prime is 53276521271. The next prime is 53276521279. The reversal of 53276521273 is 37212567235.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15745983289 + 37530537984 = 125483^2 + 193728^2 .

It is a cyclic number.

It is not a de Polignac number, because 53276521273 - 2¹ = 53276521271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53276521271) 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, 237958 + ... + 403951.

It is an arithmetic number, because the mean of its divisors is an integer number (13319311545).

Almost surely, 2^53276521273 is an apocalyptic number.

It is an amenable number.

53276521273 is a deficient number, since it is larger than the sum of its proper divisors (724907).

53276521273 is an equidigital number, since it uses as much as digits as its factorization.

53276521273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724906.

The product of its digits is 529200, while the sum is 43.

The spelling of 53276521273 in words is "fifty-three billion, two hundred seventy-six million, five hundred twenty-one thousand, two hundred seventy-three".