50504140 has 24 divisors (see below), whose sum is σ = 106700832. Its totient is φ = 20079360.

The previous prime is 50504137. The next prime is 50504143. The reversal of 50504140 is 4140505.

It is an interprime number because it is at equal distance from previous prime (50504137) and next prime (50504143).

It is not an unprimeable number, because it can be changed into a prime (50504143) 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, 4221 + ... + 10900.

It is an arithmetic number, because the mean of its divisors is an integer number (4445868).

Almost surely, 2^50504140 is an apocalyptic number.

It is an amenable number.

50504140 is an abundant number, since it is smaller than the sum of its proper divisors (56196692).

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

50504140 is a wasteful number, since it uses less digits than its factorization.

50504140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15297 (or 15295 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 50504140 is about 7106.6264851897. The cubic root of 50504140 is about 369.6371900103.

Adding to 50504140 its reverse (4140505), we get a palindrome (54644645).

Subtracting from 50504140 its reverse (4140505), we obtain a triangular number (46363635 = T₉₆₂₉).

The spelling of 50504140 in words is "fifty million, five hundred four thousand, one hundred forty".