55005055019 has 2 divisors, whose sum is σ = 55005055020. Its totient is φ = 55005055018.

The previous prime is 55005054989. The next prime is 55005055099. The reversal of 55005055019 is 91055050055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55005055019 - 2¹² = 55005050923 is a prime.

It is a super-2 number, since 2×55005055019² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55005055019.

It is not a weakly prime, because it can be changed into another prime (55005055099) 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, 27502527509 + 27502527510.

It is an arithmetic number, because the mean of its divisors is an integer number (27502527510).

Almost surely, 2^55005055019 is an apocalyptic number.

55005055019 is a deficient number, since it is larger than the sum of its proper divisors (1).

55005055019 is an equidigital number, since it uses as much as digits as its factorization.

55005055019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28125, while the sum is 35.

The spelling of 55005055019 in words is "fifty-five billion, five million, fifty-five thousand, nineteen".