550276121 has 2 divisors, whose sum is σ = 550276122. Its totient is φ = 550276120.

The previous prime is 550276109. The next prime is 550276171. The reversal of 550276121 is 121672055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493062025 + 57214096 = 22205^2 + 7564^2 .

It is a cyclic number.

It is not a de Polignac number, because 550276121 - 2¹⁸ = 550013977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550276171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275138060 + 275138061.

It is an arithmetic number, because the mean of its divisors is an integer number (275138061).

Almost surely, 2^550276121 is an apocalyptic number.

It is an amenable number.

550276121 is a deficient number, since it is larger than the sum of its proper divisors (1).

550276121 is an equidigital number, since it uses as much as digits as its factorization.

550276121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 550276121 is about 23457.9649799381. The cubic root of 550276121 is about 819.4583578492.

The spelling of 550276121 in words is "five hundred fifty million, two hundred seventy-six thousand, one hundred twenty-one".