500388385550 has 24 divisors (see below), whose sum is σ = 940317482496. Its totient is φ = 198091895040.

The previous prime is 500388385537. The next prime is 500388385591. The reversal of 500388385550 is 55583883005.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

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, 51581582 + ... + 51591281.

It is an arithmetic number, because the mean of its divisors is an integer number (39179895104).

Almost surely, 2^500388385550 is an apocalyptic number.

500388385550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

500388385550 is a deficient number, since it is larger than the sum of its proper divisors (439929096946).

500388385550 is a wasteful number, since it uses less digits than its factorization.

500388385550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103172972 (or 103172967 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 50.

The spelling of 500388385550 in words is "five hundred billion, three hundred eighty-eight million, three hundred eighty-five thousand, five hundred fifty".