55332440039 has 2 divisors, whose sum is σ = 55332440040. Its totient is φ = 55332440038.

The previous prime is 55332439999. The next prime is 55332440057. The reversal of 55332440039 is 93004423355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55332440039 - 2²⁰ = 55331391463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55332439984 and 55332440011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55332410039) 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 as a sum of consecutive naturals, namely, 27666220019 + 27666220020.

It is an arithmetic number, because the mean of its divisors is an integer number (27666220020).

Almost surely, 2^55332440039 is an apocalyptic number.

55332440039 is a deficient number, since it is larger than the sum of its proper divisors (1).

55332440039 is an equidigital number, since it uses as much as digits as its factorization.

55332440039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 55332440039 in words is "fifty-five billion, three hundred thirty-two million, four hundred forty thousand, thirty-nine".