55500505050019 has 2 divisors, whose sum is σ = 55500505050020. Its totient is φ = 55500505050018.

The previous prime is 55500505049971. The next prime is 55500505050079. The reversal of 55500505050019 is 91005050500555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55500505050019 - 2¹¹ = 55500505047971 is a prime.

It is a super-2 number, since 2×55500505050019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55500505050079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750252525009 + 27750252525010.

It is an arithmetic number, because the mean of its divisors is an integer number (27750252525010).

Almost surely, 2^{55500505050019} is an apocalyptic number.

55500505050019 is a deficient number, since it is larger than the sum of its proper divisors (1).

55500505050019 is an equidigital number, since it uses as much as digits as its factorization.

55500505050019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140625, while the sum is 40.

The spelling of 55500505050019 in words is "fifty-five trillion, five hundred billion, five hundred five million, fifty thousand, nineteen".