50520140 has 24 divisors (see below), whose sum is σ = 115737552. Its totient is φ = 18370880.

The previous prime is 50520137. The next prime is 50520143. The reversal of 50520140 is 4102505.

It is an interprime number because it is at equal distance from previous prime (50520137) and next prime (50520143).

It is not an unprimeable number, because it can be changed into a prime (50520143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114599 + ... + 115038.

It is an arithmetic number, because the mean of its divisors is an integer number (4822398).

Almost surely, 2^50520140 is an apocalyptic number.

It is an amenable number.

50520140 is an abundant number, since it is smaller than the sum of its proper divisors (65217412).

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

50520140 is a wasteful number, since it uses less digits than its factorization.

50520140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229657 (or 229655 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 50520140 is about 7107.7521059756. The cubic root of 50520140 is about 369.6762202799.

Adding to 50520140 its reverse (4102505), we get a palindrome (54622645).

The spelling of 50520140 in words is "fifty million, five hundred twenty thousand, one hundred forty".