50543769861 has 48 divisors (see below), whose sum is σ = 83281685760. Its totient is φ = 29262574080.

The previous prime is 50543769839. The next prime is 50543769919. The reversal of 50543769861 is 16896734505.

50543769861 is a `hidden beast` number, since 5 + 0 + 543 + 7 + 6 + 98 + 6 + 1 = 666.

It is not a de Polignac number, because 50543769861 - 2¹⁰ = 50543768837 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 50543769798 and 50543769807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50543769061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9303816 + ... + 9309246.

It is an arithmetic number, because the mean of its divisors is an integer number (1735035120).

Almost surely, 2^50543769861 is an apocalyptic number.

50543769861 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

50543769861 is a deficient number, since it is larger than the sum of its proper divisors (32737915899).

50543769861 is a wasteful number, since it uses less digits than its factorization.

50543769861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10146 (or 10143 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 50543769861 in words is "fifty billion, five hundred forty-three million, seven hundred sixty-nine thousand, eight hundred sixty-one".