50505554999989 has 4 divisors (see below), whose sum is σ = 50511028679424. Its totient is φ = 50500081320556.

The previous prime is 50505554999981. The next prime is 50505555000023. The reversal of 50505554999989 is 98999945550505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50505554999989 - 2³ = 50505554999981 is a prime.

It is a super-2 number, since 2×50505554999989² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505554999981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2736825877 + ... + 2736844330.

It is an arithmetic number, because the mean of its divisors is an integer number (12627757169856).

Almost surely, 2^{50505554999989} is an apocalyptic number.

It is an amenable number.

50505554999989 is a deficient number, since it is larger than the sum of its proper divisors (5473679435).

50505554999989 is an equidigital number, since it uses as much as digits as its factorization.

50505554999989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473679434.

The product of its (nonzero) digits is 5904900000, while the sum is 82.

The spelling of 50505554999989 in words is "fifty trillion, five hundred five billion, five hundred fifty-four million, nine hundred ninety-nine thousand, nine hundred eighty-nine".