550101 has 8 divisors (see below), whose sum is σ = 758880. Its totient is φ = 354032.

The previous prime is 550073. The next prime is 550111. The reversal of 550101 is 101055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550101 - 2⁹ = 549589 is a prime.

It is a super-2 number, since 2×550101² = 605222220402, which contains 22 as substring.

550101 is a modest number, since divided by 101 gives 55 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3075 + ... + 3248.

It is an arithmetic number, because the mean of its divisors is an integer number (94860).

2⁵⁵⁰¹⁰¹ is an apocalyptic number.

It is an amenable number.

550101 is a deficient number, since it is larger than the sum of its proper divisors (208779).

550101 is a wasteful number, since it uses less digits than its factorization.

550101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6355.

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 550101 is about 741.6879397698. The cubic root of 550101 is about 81.9371419924.

Adding to 550101 its reverse (101055), we get a palindrome (651156).

The spelling of 550101 in words is "five hundred fifty thousand, one hundred one".