55321211025231 has 8 divisors (see below), whose sum is σ = 73815573458304. Its totient is φ = 36853827971160.

The previous prime is 55321211025217. The next prime is 55321211025257. The reversal of 55321211025231 is 13252011212355.

55321211025231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55321211025231 - 2⁷ = 55321211025103 is a prime.

It is a super-2 number, since 2×55321211025231² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55321211025192 and 55321211025201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55321211025631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6744839965 + ... + 6744848166.

It is an arithmetic number, because the mean of its divisors is an integer number (9226946682288).

Almost surely, 2^{55321211025231} is an apocalyptic number.

55321211025231 is a deficient number, since it is larger than the sum of its proper divisors (18494362433073).

55321211025231 is a wasteful number, since it uses less digits than its factorization.

55321211025231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13489689501.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 55321211025231 its reverse (13252011212355), we get a palindrome (68573222237586).

The spelling of 55321211025231 in words is "fifty-five trillion, three hundred twenty-one billion, two hundred eleven million, twenty-five thousand, two hundred thirty-one".