50138712 has 192 divisors, whose sum is σ = 162751680. Its totient is φ = 13787136.

The previous prime is 50138681. The next prime is 50138717. The reversal of 50138712 is 21783105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50138717) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 365908 + ... + 366044.

It is an arithmetic number, because the mean of its divisors is an integer number (847665).

Almost surely, 2^50138712 is an apocalyptic number.

50138712 is a gapful number since it is divisible by the number (52) 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 50138712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81375840).

50138712 is an abundant number, since it is smaller than the sum of its proper divisors (112612968).

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

50138712 is a wasteful number, since it uses less digits than its factorization.

50138712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 50138712 is about 7080.8694381411. The cubic root of 50138712 is about 368.7435148912.

The spelling of 50138712 in words is "fifty million, one hundred thirty-eight thousand, seven hundred twelve".