501055000 has 80 divisors (see below), whose sum is σ = 1225295280. Its totient is φ = 191664000.

The previous prime is 501054997. The next prime is 501055001. The reversal of 501055000 is 550105.

It is a super-2 number, since 2×501055000² = 502112226050000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501055001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112822 + ... + 117178.

It is an arithmetic number, because the mean of its divisors is an integer number (15316191).

Almost surely, 2^501055000 is an apocalyptic number.

501055000 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 501055000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612647640).

501055000 is an abundant number, since it is smaller than the sum of its proper divisors (724240280).

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

501055000 is a wasteful number, since it uses less digits than its factorization.

501055000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406 (or 4387 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 501055000 is about 22384.2578612738. The cubic root of 501055000 is about 794.2583698543.

The spelling of 501055000 in words is "five hundred one million, fifty-five thousand".