50381161308 has 72 divisors (see below), whose sum is σ = 135304395408. Its totient is φ = 15751853568.

The previous prime is 50381161307. The next prime is 50381161319. The reversal of 50381161308 is 80316118305.

50381161308 is a `hidden beast` number, since 5 + 0 + 38 + 1 + 1 + 613 + 0 + 8 = 666.

It is a super-3 number, since 3×50381161308³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50381161307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38835 + ... + 319797.

It is an arithmetic number, because the mean of its divisors is an integer number (1879227714).

Almost surely, 2^50381161308 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 50381161308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67652197704).

50381161308 is an abundant number, since it is smaller than the sum of its proper divisors (84923234100).

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

50381161308 is a wasteful number, since it uses less digits than its factorization.

50381161308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281283 (or 281278 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 50381161308 in words is "fifty billion, three hundred eighty-one million, one hundred sixty-one thousand, three hundred eight".