50082138 has 80 divisors (see below), whose sum is σ = 120748320. Its totient is φ = 15466464.

The previous prime is 50082133. The next prime is 50082139. The reversal of 50082138 is 83128005.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50082133) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 162981 + ... + 163287.

It is an arithmetic number, because the mean of its divisors is an integer number (1509354).

Almost surely, 2^50082138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50082138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60374160).

50082138 is an abundant number, since it is smaller than the sum of its proper divisors (70666182).

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

50082138 is a wasteful number, since it uses less digits than its factorization.

50082138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 50082138 is about 7076.8734622007. The cubic root of 50082138 is about 368.6047721515.

The spelling of 50082138 in words is "fifty million, eighty-two thousand, one hundred thirty-eight".