550329977 has 2 divisors, whose sum is σ = 550329978. Its totient is φ = 550329976.

The previous prime is 550329917. The next prime is 550330021. The reversal of 550329977 is 779923055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 542144656 + 8185321 = 23284^2 + 2861^2 .

It is a cyclic number.

It is not a de Polignac number, because 550329977 - 2¹⁰ = 550328953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550329907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275164988 + 275164989.

It is an arithmetic number, because the mean of its divisors is an integer number (275164989).

Almost surely, 2^550329977 is an apocalyptic number.

It is an amenable number.

550329977 is a deficient number, since it is larger than the sum of its proper divisors (1).

550329977 is an equidigital number, since it uses as much as digits as its factorization.

550329977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 595350, while the sum is 47.

The square root of 550329977 is about 23459.1128775152. The cubic root of 550329977 is about 819.4850906766.

The spelling of 550329977 in words is "five hundred fifty million, three hundred twenty-nine thousand, nine hundred seventy-seven".