50867669856 has 192 divisors, whose sum is σ = 144586874880. Its totient is φ = 15624161280.

The previous prime is 50867669803. The next prime is 50867669857. The reversal of 50867669856 is 65896676805.

It is a super-2 number, since 2×50867669856² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50867669857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5170350 + ... + 5180178.

It is an arithmetic number, because the mean of its divisors is an integer number (753056640).

Almost surely, 2^50867669856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50867669856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72293437440).

50867669856 is an abundant number, since it is smaller than the sum of its proper divisors (93719205024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50867669856 is a wasteful number, since it uses less digits than its factorization.

50867669856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9957 (or 9949 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 66.

The spelling of 50867669856 in words is "fifty billion, eight hundred sixty-seven million, six hundred sixty-nine thousand, eight hundred fifty-six".