50439168 has 132 divisors (see below), whose sum is σ = 157217788. Its totient is φ = 15482880.

The previous prime is 50439163. The next prime is 50439197. The reversal of 50439168 is 86193405.

50439168 is a `hidden beast` number, since 504 + 3 + 91 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2663424 + 47775744 = 1632^2 + 6912^2 .

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 (50439163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119598 + ... + 120018.

Almost surely, 2^50439168 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 50439168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78608894).

50439168 is an abundant number, since it is smaller than the sum of its proper divisors (106778620).

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

50439168 is a wasteful number, since it uses less digits than its factorization.

50439168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 50439168 is about 7102.0537874618. The cubic root of 50439168 is about 369.4786130863.

The spelling of 50439168 in words is "fifty million, four hundred thirty-nine thousand, one hundred sixty-eight".