53321314221 has 48 divisors (see below), whose sum is σ = 93505526400. Its totient is φ = 28600781184.

The previous prime is 53321314217. The next prime is 53321314271. The reversal of 53321314221 is 12241312335.

53321314221 is a `hidden beast` number, since 5 + 3 + 321 + 314 + 2 + 21 = 666.

It is not a de Polignac number, because 53321314221 - 2² = 53321314217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53321314271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73866 + ... + 334811.

It is an arithmetic number, because the mean of its divisors is an integer number (1948031800).

Almost surely, 2^53321314221 is an apocalyptic number.

It is an amenable number.

53321314221 is a deficient number, since it is larger than the sum of its proper divisors (40184212179).

53321314221 is a wasteful number, since it uses less digits than its factorization.

53321314221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408818 (or 408815 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

Adding to 53321314221 its reverse (12241312335), we get a palindrome (65562626556).

The spelling of 53321314221 in words is "fifty-three billion, three hundred twenty-one million, three hundred fourteen thousand, two hundred twenty-one".