500055388 has 36 divisors (see below), whose sum is σ = 1026036480. Its totient is φ = 212611392.

The previous prime is 500055379. The next prime is 500055401. The reversal of 500055388 is 883550005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14848 + ... + 34936.

Almost surely, 2^500055388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500055388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513018240).

500055388 is an abundant number, since it is smaller than the sum of its proper divisors (525981092).

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

500055388 is a wasteful number, since it uses less digits than its factorization.

500055388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20234 (or 20225 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 500055388 is about 22361.9182540318. The cubic root of 500055388 is about 793.7298325585.

The spelling of 500055388 in words is "five hundred million, fifty-five thousand, three hundred eighty-eight".