550022101 has 2 divisors, whose sum is σ = 550022102. Its totient is φ = 550022100.

The previous prime is 550022041. The next prime is 550022117. The reversal of 550022101 is 101220055.

It is an a-pointer prime, because the next prime (550022117) can be obtained adding 550022101 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 528954001 + 21068100 = 22999^2 + 4590^2 .

It is a cyclic number.

It is not a de Polignac number, because 550022101 - 2²⁹ = 13151189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550022171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275011050 + 275011051.

It is an arithmetic number, because the mean of its divisors is an integer number (275011051).

Almost surely, 2^550022101 is an apocalyptic number.

It is an amenable number.

550022101 is a deficient number, since it is larger than the sum of its proper divisors (1).

550022101 is an equidigital number, since it uses as much as digits as its factorization.

550022101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 550022101 is about 23452.5499892869. The cubic root of 550022101 is about 819.3322448897.

Adding to 550022101 its reverse (101220055), we get a palindrome (651242156).

The spelling of 550022101 in words is "five hundred fifty million, twenty-two thousand, one hundred one".