55131304430233 has 8 divisors (see below), whose sum is σ = 57677586785280. Its totient is φ = 52642241903520.

The previous prime is 55131304430179. The next prime is 55131304430273. The reversal of 55131304430233 is 33203440313155.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55131304430233 - 2¹⁷ = 55131304299161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55131304430192 and 55131304430201.

It is not an unprimeable number, because it can be changed into a prime (55131304430273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14304955113 + ... + 14304958966.

It is an arithmetic number, because the mean of its divisors is an integer number (7209698348160).

Almost surely, 2^{55131304430233} is an apocalyptic number.

It is an amenable number.

55131304430233 is a deficient number, since it is larger than the sum of its proper divisors (2546282355047).

55131304430233 is a wasteful number, since it uses less digits than its factorization.

55131304430233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28609914167.

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 55131304430233 its reverse (33203440313155), we get a palindrome (88334744743388).

The spelling of 55131304430233 in words is "fifty-five trillion, one hundred thirty-one billion, three hundred four million, four hundred thirty thousand, two hundred thirty-three".