50821726536 has 128 divisors (see below), whose sum is σ = 161672448000. Its totient is φ = 14490467136.

The previous prime is 50821726519. The next prime is 50821726583. The reversal of 50821726536 is 63562712805.

50821726536 is a `hidden beast` number, since 5 + 0 + 82 + 17 + 26 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 50821726491 and 50821726500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 701835 + ... + 770853.

It is an arithmetic number, because the mean of its divisors is an integer number (1263066000).

Almost surely, 2^50821726536 is an apocalyptic number.

50821726536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50821726536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80836224000).

50821726536 is an abundant number, since it is smaller than the sum of its proper divisors (110850721464).

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

50821726536 is a wasteful number, since it uses less digits than its factorization.

50821726536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69528 (or 69518 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 50821726536 in words is "fifty billion, eight hundred twenty-one million, seven hundred twenty-six thousand, five hundred thirty-six".