50505500055511 has 2 divisors, whose sum is σ = 50505500055512. Its totient is φ = 50505500055510.

The previous prime is 50505500055449. The next prime is 50505500055523. The reversal of 50505500055511 is 11555000550505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50505500055511 is a prime.

It is a super-2 number, since 2×50505500055511² (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 (50505500056511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252750027755 + 25252750027756.

It is an arithmetic number, because the mean of its divisors is an integer number (25252750027756).

Almost surely, 2^{50505500055511} is an apocalyptic number.

50505500055511 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505500055511 is an equidigital number, since it uses as much as digits as its factorization.

50505500055511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78125, while the sum is 37.

The spelling of 50505500055511 in words is "fifty trillion, five hundred five billion, five hundred million, fifty-five thousand, five hundred eleven".