50131650 has 48 divisors (see below), whose sum is σ = 128348928. Its totient is φ = 12936000.

The previous prime is 50131639. The next prime is 50131667. The reversal of 50131650 is 5613105.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 741 + ... + 10040.

It is an arithmetic number, because the mean of its divisors is an integer number (2673936).

Almost surely, 2^50131650 is an apocalyptic number.

50131650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50131650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64174464).

50131650 is an abundant number, since it is smaller than the sum of its proper divisors (78217278).

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

50131650 is a wasteful number, since it uses less digits than its factorization.

50131650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10827 (or 10822 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 50131650 is about 7080.3707530044. The cubic root of 50131650 is about 368.7262016625.

Adding to 50131650 its reverse (5613105), we get a palindrome (55744755).

The spelling of 50131650 in words is "fifty million, one hundred thirty-one thousand, six hundred fifty".