550443101 has 8 divisors (see below), whose sum is σ = 596765400. Its totient is φ = 504689472.

The previous prime is 550443073. The next prime is 550443109. The reversal of 550443101 is 101344055.

It can be written as a sum of positive squares in 4 ways, for example, as 4519876 + 545923225 = 2126^2 + 23365^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550443101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550443109) 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, 140150 + ... + 144023.

It is an arithmetic number, because the mean of its divisors is an integer number (74595675).

Almost surely, 2^550443101 is an apocalyptic number.

It is an amenable number.

550443101 is a deficient number, since it is larger than the sum of its proper divisors (46322299).

550443101 is a wasteful number, since it uses less digits than its factorization.

550443101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284335.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 550443101 is about 23461.5238422401. The cubic root of 550443101 is about 819.5412370397.

Adding to 550443101 its reverse (101344055), we get a palindrome (651787156).

The spelling of 550443101 in words is "five hundred fifty million, four hundred forty-three thousand, one hundred one".