50378188 has 48 divisors (see below), whose sum is σ = 106089984. Its totient is φ = 20465280.

The previous prime is 50378161. The next prime is 50378189. The reversal of 50378188 is 88187305.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 50378188.

It is not an unprimeable number, because it can be changed into a prime (50378189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87943 + ... + 88513.

It is an arithmetic number, because the mean of its divisors is an integer number (2210208).

Almost surely, 2^50378188 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 50378188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53044992).

50378188 is an abundant number, since it is smaller than the sum of its proper divisors (55711796).

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

50378188 is a wasteful number, since it uses less digits than its factorization.

50378188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 50378188 is about 7097.7593647573. The cubic root of 50378188 is about 369.3296554898.

It can be divided in two parts, 5037 and 8188, that added together give a square (13225 = 115²).

The spelling of 50378188 in words is "fifty million, three hundred seventy-eight thousand, one hundred eighty-eight".