55323120322231 has 2 divisors, whose sum is σ = 55323120322232. Its totient is φ = 55323120322230.

The previous prime is 55323120322117. The next prime is 55323120322243. The reversal of 55323120322231 is 13222302132355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55323120322231 - 2¹⁹ = 55323119797943 is a prime.

It is a super-3 number, since 3×55323120322231³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55323120322291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27661560161115 + 27661560161116.

It is an arithmetic number, because the mean of its divisors is an integer number (27661560161116).

Almost surely, 2^{55323120322231} is an apocalyptic number.

55323120322231 is a deficient number, since it is larger than the sum of its proper divisors (1).

55323120322231 is an equidigital number, since it uses as much as digits as its factorization.

55323120322231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 55323120322231 its reverse (13222302132355), we get a palindrome (68545422454586).

The spelling of 55323120322231 in words is "fifty-five trillion, three hundred twenty-three billion, one hundred twenty million, three hundred twenty-two thousand, two hundred thirty-one".