53312255321 has 4 divisors (see below), whose sum is σ = 57413198052. Its totient is φ = 49211312592.

The previous prime is 53312255309. The next prime is 53312255327. The reversal of 53312255321 is 12355221335.

53312255321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3667513600 + 49644741721 = 60560^2 + 222811^2 .

It is not a de Polignac number, because 53312255321 - 2¹⁰ = 53312254297 is a prime.

It is a super-2 number, since 2×53312255321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53312255327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050471346 + ... + 2050471371.

It is an arithmetic number, because the mean of its divisors is an integer number (14353299513).

Almost surely, 2^53312255321 is an apocalyptic number.

It is an amenable number.

53312255321 is a deficient number, since it is larger than the sum of its proper divisors (4100942731).

53312255321 is a wasteful number, since it uses less digits than its factorization.

53312255321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100942730.

The product of its digits is 27000, while the sum is 32.

Adding to 53312255321 its reverse (12355221335), we get a palindrome (65667476656).

The spelling of 53312255321 in words is "fifty-three billion, three hundred twelve million, two hundred fifty-five thousand, three hundred twenty-one".