500000550 has 96 divisors (see below), whose sum is σ = 1462953984. Its totient is φ = 110592000.

The previous prime is 500000539. The next prime is 500000551. The reversal of 500000550 is 55000005.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

500000550 is a modest number, since divided by 550 gives 500 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500000551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24870 + ... + 40230.

It is an arithmetic number, because the mean of its divisors is an integer number (15239104).

Almost surely, 2^500000550 is an apocalyptic number.

500000550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 500000550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731476992).

500000550 is an abundant number, since it is smaller than the sum of its proper divisors (962953434).

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

500000550 is a wasteful number, since it uses less digits than its factorization.

500000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15414 (or 15409 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 15.

The square root of 500000550 is about 22360.6920733684. The cubic root of 500000550 is about 793.7008170075.

Adding to 500000550 its reverse (55000005), we get a palindrome (555000555).

The spelling of 500000550 in words is "five hundred million, five hundred fifty", and thus it is an aban number.