50511934871 has 4 divisors (see below), whose sum is σ = 50513019744. Its totient is φ = 50510850000.

The previous prime is 50511934841. The next prime is 50511934883. The reversal of 50511934871 is 17843911505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50511934871 - 2⁶ = 50511934807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50511934801) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 469310 + ... + 566811.

It is an arithmetic number, because the mean of its divisors is an integer number (12628254936).

Almost surely, 2^50511934871 is an apocalyptic number.

50511934871 is a deficient number, since it is larger than the sum of its proper divisors (1084873).

50511934871 is a wasteful number, since it uses less digits than its factorization.

50511934871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084872.

The product of its (nonzero) digits is 151200, while the sum is 44.

The spelling of 50511934871 in words is "fifty billion, five hundred eleven million, nine hundred thirty-four thousand, eight hundred seventy-one".