50813322813 has 160 divisors (see below), whose sum is σ = 91387346688. Its totient is φ = 27782092800.

The previous prime is 50813322811. The next prime is 50813322821. The reversal of 50813322813 is 31822331805.

It is a happy number.

50813322813 is a `hidden beast` number, since 508 + 133 + 2 + 2 + 8 + 13 = 666.

50813322813 is an astonishing number since 50813322813 = 50813 + ... + 322813.

It is not a de Polignac number, because 50813322813 - 2¹ = 50813322811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50813322811) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 39790531 + ... + 39791807.

Almost surely, 2^50813322813 is an apocalyptic number.

It is an amenable number.

50813322813 is a deficient number, since it is larger than the sum of its proper divisors (40574023875).

50813322813 is a wasteful number, since it uses less digits than its factorization.

50813322813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 50813322813 in words is "fifty billion, eight hundred thirteen million, three hundred twenty-two thousand, eight hundred thirteen".