55320331420233 has 24 divisors (see below), whose sum is σ = 87342691587840. Its totient is φ = 33461604257760.

The previous prime is 55320331420147. The next prime is 55320331420247. The reversal of 55320331420233 is 33202413302355.

55320331420233 is a `hidden beast` number, since 5 + 5 + 3 + 203 + 3 + 1 + 420 + 23 + 3 = 666.

It is not a de Polignac number, because 55320331420233 - 2¹⁶ = 55320331354697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55320331420433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 548860441 + ... + 548961222.

It is an arithmetic number, because the mean of its divisors is an integer number (3639278816160).

Almost surely, 2^{55320331420233} is an apocalyptic number.

It is an amenable number.

55320331420233 is a deficient number, since it is larger than the sum of its proper divisors (32022360167607).

55320331420233 is a wasteful number, since it uses less digits than its factorization.

55320331420233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097822189 (or 1097822186 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 36.

Adding to 55320331420233 its reverse (33202413302355), we get a palindrome (88522744722588).

The spelling of 55320331420233 in words is "fifty-five trillion, three hundred twenty billion, three hundred thirty-one million, four hundred twenty thousand, two hundred thirty-three".