50255440 has 20 divisors (see below), whose sum is σ = 116844084. Its totient is φ = 20102144.

The previous prime is 50255419. The next prime is 50255441. The reversal of 50255440 is 4455205.

It can be written as a sum of positive squares in 2 ways, for example, as 6906384 + 43349056 = 2628^2 + 6584^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50255441) 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, 314017 + ... + 314176.

Almost surely, 2^50255440 is an apocalyptic number.

It is an amenable number.

50255440 is an abundant number, since it is smaller than the sum of its proper divisors (66588644).

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

50255440 is a wasteful number, since it uses less digits than its factorization.

50255440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628206 (or 628200 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 50255440 is about 7089.1071370096. The cubic root of 50255440 is about 369.0294505275.

The spelling of 50255440 in words is "fifty million, two hundred fifty-five thousand, four hundred forty".