50257040 has 20 divisors (see below), whose sum is σ = 116847804. Its totient is φ = 20102784.

The previous prime is 50257037. The next prime is 50257043. The reversal of 50257040 is 4075205.

It is an interprime number because it is at equal distance from previous prime (50257037) and next prime (50257043).

It can be written as a sum of positive squares in 2 ways, for example, as 19963024 + 30294016 = 4468^2 + 5504^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 50256997 and 50257015.

It is not an unprimeable number, because it can be changed into a prime (50257043) 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, 314027 + ... + 314186.

Almost surely, 2^50257040 is an apocalyptic number.

It is an amenable number.

50257040 is an abundant number, since it is smaller than the sum of its proper divisors (66590764).

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

50257040 is a wasteful number, since it uses less digits than its factorization.

50257040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628226 (or 628220 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 50257040 is about 7089.2199853016. The cubic root of 50257040 is about 369.0333667925.

The spelling of 50257040 in words is "fifty million, two hundred fifty-seven thousand, forty".