550100 has 18 divisors (see below), whose sum is σ = 1193934. Its totient is φ = 220000.

The previous prime is 550073. The next prime is 550111. The reversal of 550100 is 1055.

It can be written as a sum of positive squares in 3 ways, for example, as 163216 + 386884 = 404^2 + 622^2 .

It is a super-2 number, since 2×550100² = 605220020000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2651 + ... + 2850.

2⁵⁵⁰¹⁰⁰ is an apocalyptic number.

550100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550100 is an abundant number, since it is smaller than the sum of its proper divisors (643834).

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

550100 is a wasteful number, since it uses less digits than its factorization.

550100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515 (or 5508 counting only the distinct ones).

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

The square root of 550100 is about 741.6872656315. The cubic root of 550100 is about 81.9370923426.

Adding to 550100 its reverse (1055), we get a palindrome (551155).

It can be divided in two parts, 5 and 50100, that added together give a palindrome (50105).

The spelling of 550100 in words is "five hundred fifty thousand, one hundred".