50553513243 has 6 divisors (see below), whose sum is σ = 73021741364. Its totient is φ = 33702342156.

The previous prime is 50553513217. The next prime is 50553513247. The reversal of 50553513243 is 34231535505.

50553513243 is a `hidden beast` number, since 50 + 5 + 53 + 513 + 2 + 43 = 666.

It is not a de Polignac number, because 50553513243 - 2¹² = 50553509147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50553513198 and 50553513207.

It is not an unprimeable number, because it can be changed into a prime (50553513247) 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 5 ways as a sum of consecutive naturals, for example, 2808528505 + ... + 2808528522.

Almost surely, 2^50553513243 is an apocalyptic number.

50553513243 is a deficient number, since it is larger than the sum of its proper divisors (22468228121).

50553513243 is a wasteful number, since it uses less digits than its factorization.

50553513243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617057033 (or 5617057030 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 50553513243 in words is "fifty billion, five hundred fifty-three million, five hundred thirteen thousand, two hundred forty-three".