50125140 has 144 divisors (see below), whose sum is σ = 169268736. Its totient is φ = 11923200.

The previous prime is 50125139. The next prime is 50125147. The reversal of 50125140 is 4152105.

50125140 is a `hidden beast` number, since 501 + 25 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50125147) 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, 72195 + ... + 72885.

Almost surely, 2^50125140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50125140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84634368).

50125140 is an abundant number, since it is smaller than the sum of its proper divisors (119143596).

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

50125140 is a wasteful number, since it uses less digits than its factorization.

50125140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 50125140 is about 7079.9110163900. The cubic root of 50125140 is about 368.7102402789.

Adding to 50125140 its reverse (4152105), we get a palindrome (54277245).

The spelling of 50125140 in words is "fifty million, one hundred twenty-five thousand, one hundred forty".