55331223277751 has 2 divisors, whose sum is σ = 55331223277752. Its totient is φ = 55331223277750.

The previous prime is 55331223277727. The next prime is 55331223277783. The reversal of 55331223277751 is 15777232213355.

It is a happy number.

55331223277751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55331223277751 - 2³⁴ = 55314043408567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55331223277693 and 55331223277702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55331223277151) 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 as a sum of consecutive naturals, namely, 27665611638875 + 27665611638876.

It is an arithmetic number, because the mean of its divisors is an integer number (27665611638876).

Almost surely, 2^{55331223277751} is an apocalyptic number.

55331223277751 is a deficient number, since it is larger than the sum of its proper divisors (1).

55331223277751 is an equidigital number, since it uses as much as digits as its factorization.

55331223277751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9261000, while the sum is 53.

The spelling of 55331223277751 in words is "fifty-five trillion, three hundred thirty-one billion, two hundred twenty-three million, two hundred seventy-seven thousand, seven hundred fifty-one".