55550500505519 has 2 divisors, whose sum is σ = 55550500505520. Its totient is φ = 55550500505518.

The previous prime is 55550500505509. The next prime is 55550500505561. The reversal of 55550500505519 is 91550500505555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55550500505519 - 2⁴ = 55550500505503 is a prime.

It is a super-2 number, since 2×55550500505519² (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 (55550500505509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775250252759 + 27775250252760.

It is an arithmetic number, because the mean of its divisors is an integer number (27775250252760).

Almost surely, 2^{55550500505519} is an apocalyptic number.

55550500505519 is a deficient number, since it is larger than the sum of its proper divisors (1).

55550500505519 is an equidigital number, since it uses as much as digits as its factorization.

55550500505519 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 55550500505519 in words is "fifty-five trillion, five hundred fifty billion, five hundred million, five hundred five thousand, five hundred nineteen".