50172946236 has 192 divisors, whose sum is σ = 153093749760. Its totient is φ = 13911367680.

The previous prime is 50172946223. The next prime is 50172946279. The reversal of 50172946236 is 63264927105.

50172946236 is a `hidden beast` number, since 5 + 0 + 17 + 2 + 9 + 4 + 623 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 50172946191 and 50172946200.

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, 5978035 + ... + 5986421.

It is an arithmetic number, because the mean of its divisors is an integer number (797363280).

Almost surely, 2^50172946236 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 50172946236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76546874880).

50172946236 is an abundant number, since it is smaller than the sum of its proper divisors (102920803524).

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

50172946236 is a wasteful number, since it uses less digits than its factorization.

50172946236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641 (or 8633 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 50172946236 in words is "fifty billion, one hundred seventy-two million, nine hundred forty-six thousand, two hundred thirty-six".