50730440 has 16 divisors (see below), whose sum is σ = 114143580. Its totient is φ = 20292160.

The previous prime is 50730419. The next prime is 50730443. The reversal of 50730440 is 4403705.

It can be written as a sum of positive squares in 2 ways, for example, as 50665924 + 64516 = 7118^2 + 254^2 .

It is not an unprimeable number, because it can be changed into a prime (50730443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634091 + ... + 634170.

Almost surely, 2^50730440 is an apocalyptic number.

It is an amenable number.

50730440 is an abundant number, since it is smaller than the sum of its proper divisors (63413140).

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

50730440 is a wasteful number, since it uses less digits than its factorization.

50730440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268272 (or 1268268 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 50730440 is about 7122.5304492154. The cubic root of 50730440 is about 370.1884601149.

The spelling of 50730440 in words is "fifty million, seven hundred thirty thousand, four hundred forty".