50940138 has 8 divisors (see below), whose sum is σ = 101880288. Its totient is φ = 16980044.

The previous prime is 50940133. The next prime is 50940139. The reversal of 50940138 is 83104905.

It is a sphenic number, since it is the product of 3 distinct primes.

50940138 is an admirable number.

It is a super-3 number, since 3×50940138³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (50940133) 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 3 ways as a sum of consecutive naturals, for example, 4245006 + ... + 4245017.

It is an arithmetic number, because the mean of its divisors is an integer number (12735036).

Almost surely, 2^50940138 is an apocalyptic number.

50940138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

50940138 is a wasteful number, since it uses less digits than its factorization.

50940138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8490028.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 50940138 is about 7137.2360196367. The cubic root of 50940138 is about 370.6978259882.

The spelling of 50940138 in words is "fifty million, nine hundred forty thousand, one hundred thirty-eight".