50318000 has 80 divisors (see below), whose sum is σ = 123221280. Its totient is φ = 19872000.

The previous prime is 50317979. The next prime is 50318027. The reversal of 50318000 is 81305.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×50318000² = 5063802248000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50318000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277910 + ... + 278090.

It is an arithmetic number, because the mean of its divisors is an integer number (1540266).

Almost surely, 2^50318000 is an apocalyptic number.

50318000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50318000 is the 5792-nd pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50318000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61610640).

50318000 is an abundant number, since it is smaller than the sum of its proper divisors (72903280).

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

50318000 is a wasteful number, since it uses less digits than its factorization.

50318000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 50318000 is about 7093.5181680179. The cubic root of 50318000 is about 369.1825146163.

Adding to 50318000 its reverse (81305), we get a palindrome (50399305).

It can be divided in two parts, 5031 and 8000, that added together give a palindrome (13031).

The spelling of 50318000 in words is "fifty million, three hundred eighteen thousand".