50513455431505 has 16 divisors (see below), whose sum is σ = 70016511487104. Its totient is φ = 34576055054080.

The previous prime is 50513455431443. The next prime is 50513455431521.

50513455431505 is nontrivially palindromic in base 10.

50513455431505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50513455431505 - 2¹¹ = 50513455429457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27012542077 + ... + 27012543946.

It is an arithmetic number, because the mean of its divisors is an integer number (4376031967944).

Almost surely, 2^{50513455431505} is an apocalyptic number.

50513455431505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50513455431505 is a deficient number, since it is larger than the sum of its proper divisors (19503056055599).

50513455431505 is a wasteful number, since it uses less digits than its factorization.

50513455431505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54025086056.

The product of its (nonzero) digits is 2250000, while the sum is 46.

The spelling of 50513455431505 in words is "fifty trillion, five hundred thirteen billion, four hundred fifty-five million, four hundred thirty-one thousand, five hundred five".