50019572736 has 704 divisors, whose sum is σ = 187330959360. Its totient is φ = 12846366720.

The previous prime is 50019572717. The next prime is 50019572749. The reversal of 50019572736 is 63727591005.

50019572736 is a `hidden beast` number, since 5 + 0 + 0 + 1 + 9 + 572 + 73 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 50019572691 and 50019572700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75672246 + ... + 75672906.

Almost surely, 2^50019572736 is an apocalyptic number.

50019572736 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 50019572736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93665479680).

50019572736 is an abundant number, since it is smaller than the sum of its proper divisors (137311386624).

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

50019572736 is a wasteful number, since it uses less digits than its factorization.

50019572736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The spelling of 50019572736 in words is "fifty billion, nineteen million, five hundred seventy-two thousand, seven hundred thirty-six".