50040000 has 210 divisors, whose sum is σ = 180520340. Its totient is φ = 13248000.

The previous prime is 50039981. The next prime is 50040013. The reversal of 50040000 is 4005.

50040000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 359931 + ... + 360069.

Almost surely, 2^50040000 is an apocalyptic number.

50040000 is a gapful number since it is divisible by the number (50) 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 50040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90260170).

50040000 is an abundant number, since it is smaller than the sum of its proper divisors (130480340).

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

50040000 is a wasteful number, since it uses less digits than its factorization.

50040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 9.

The square root of 50040000 is about 7073.8956735310. The cubic root of 50040000 is about 368.5013645181.

Adding to 50040000 its reverse (4005), we get a palindrome (50044005).

The spelling of 50040000 in words is "fifty million, forty thousand", and thus it is an eban number.