500051000 has 64 divisors (see below), whose sum is σ = 1181943360. Its totient is φ = 198000000.

The previous prime is 500050979. The next prime is 500051009. The reversal of 500051000 is 150005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500051009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98525 + ... + 103475.

It is an arithmetic number, because the mean of its divisors is an integer number (18467865).

Almost surely, 2^500051000 is an apocalyptic number.

500051000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500051000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590971680).

500051000 is an abundant number, since it is smaller than the sum of its proper divisors (681892360).

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

500051000 is a wasteful number, since it uses less digits than its factorization.

500051000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5073 (or 5059 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 11.

The square root of 500051000 is about 22361.8201405878. The cubic root of 500051000 is about 793.7275108845.

The spelling of 500051000 in words is "five hundred million, fifty-one thousand".