55505505500519 has 2 divisors, whose sum is σ = 55505505500520. Its totient is φ = 55505505500518.

The previous prime is 55505505500503. The next prime is 55505505500539. The reversal of 55505505500519 is 91500550550555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55505505500519 - 2⁴ = 55505505500503 is a prime.

It is a super-2 number, since 2×55505505500519² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55505505500539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752752750259 + 27752752750260.

It is an arithmetic number, because the mean of its divisors is an integer number (27752752750260).

Almost surely, 2^{55505505500519} is an apocalyptic number.

55505505500519 is a deficient number, since it is larger than the sum of its proper divisors (1).

55505505500519 is an equidigital number, since it uses as much as digits as its factorization.

55505505500519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3515625, while the sum is 50.

The spelling of 55505505500519 in words is "fifty-five trillion, five hundred five billion, five hundred five million, five hundred thousand, five hundred nineteen".