50291894016 has 324 divisors, whose sum is σ = 181658574552. Its totient is φ = 13263409152.

The previous prime is 50291894011. The next prime is 50291894021. The reversal of 50291894016 is 61049819205.

50291894016 is a `hidden beast` number, since 502 + 91 + 8 + 9 + 40 + 16 = 666.

It is an interprime number because it is at equal distance from previous prime (50291894011) and next prime (50291894021).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50291894011) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1450515 + ... + 1484781.

Almost surely, 2^50291894016 is an apocalyptic number.

50291894016 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 50291894016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90829287276).

50291894016 is an abundant number, since it is smaller than the sum of its proper divisors (131366680536).

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

50291894016 is a wasteful number, since it uses less digits than its factorization.

50291894016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34316 (or 34292 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 50291894016 in words is "fifty billion, two hundred ninety-one million, eight hundred ninety-four thousand, sixteen".