50388040 has 16 divisors (see below), whose sum is σ = 113373180. Its totient is φ = 20155200.

The previous prime is 50388029. The next prime is 50388049. The reversal of 50388040 is 4088305.

It can be written as a sum of positive squares in 2 ways, for example, as 49928356 + 459684 = 7066^2 + 678^2 .

It is not an unprimeable number, because it can be changed into a prime (50388049) 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, 629811 + ... + 629890.

Almost surely, 2^50388040 is an apocalyptic number.

It is an amenable number.

50388040 is an abundant number, since it is smaller than the sum of its proper divisors (62985140).

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

50388040 is a wasteful number, since it uses less digits than its factorization.

50388040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259712 (or 1259708 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 50388040 is about 7098.4533526677. The cubic root of 50388040 is about 369.3537293913.

The spelling of 50388040 in words is "fifty million, three hundred eighty-eight thousand, forty".