55555055239 has 2 divisors, whose sum is σ = 55555055240. Its totient is φ = 55555055238.

The previous prime is 55555055203. The next prime is 55555055249. The reversal of 55555055239 is 93255055555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55555055239 - 2¹³ = 55555047047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55555055192 and 55555055201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55555055249) 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, 27777527619 + 27777527620.

It is an arithmetic number, because the mean of its divisors is an integer number (27777527620).

Almost surely, 2^55555055239 is an apocalyptic number.

55555055239 is a deficient number, since it is larger than the sum of its proper divisors (1).

55555055239 is an equidigital number, since it uses as much as digits as its factorization.

55555055239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4218750, while the sum is 49.

The spelling of 55555055239 in words is "fifty-five billion, five hundred fifty-five million, fifty-five thousand, two hundred thirty-nine".