50505550553 has 4 divisors (see below), whose sum is σ = 50995895808. Its totient is φ = 50015205300.

The previous prime is 50505550531. The next prime is 50505550603. The reversal of 50505550553 is 35505550505.

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 50505550553 - 2¹⁰ = 50505549529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50505550453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245172473 + ... + 245172678.

It is an arithmetic number, because the mean of its divisors is an integer number (12748973952).

Almost surely, 2^50505550553 is an apocalyptic number.

It is an amenable number.

50505550553 is a deficient number, since it is larger than the sum of its proper divisors (490345255).

50505550553 is a wasteful number, since it uses less digits than its factorization.

50505550553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490345254.

The product of its (nonzero) digits is 234375, while the sum is 38.

The spelling of 50505550553 in words is "fifty billion, five hundred five million, five hundred fifty thousand, five hundred fifty-three".