505050388 has 12 divisors (see below), whose sum is σ = 912349312. Its totient is φ = 244379160.

The previous prime is 505050373. The next prime is 505050439. The reversal of 505050388 is 883050505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2036370 + ... + 2036617.

Almost surely, 2^505050388 is an apocalyptic number.

It is an amenable number.

505050388 is a deficient number, since it is larger than the sum of its proper divisors (407298924).

505050388 is a wasteful number, since it uses less digits than its factorization.

505050388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073022 (or 4073020 counting only the distinct ones).

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

The square root of 505050388 is about 22473.3261445652. The cubic root of 505050388 is about 796.3639090077.

The spelling of 505050388 in words is "five hundred five million, fifty thousand, three hundred eighty-eight".