550448077 has 2 divisors, whose sum is σ = 550448078. Its totient is φ = 550448076.

The previous prime is 550448051. The next prime is 550448209. The reversal of 550448077 is 770844055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487261476 + 63186601 = 22074^2 + 7949^2 .

It is a cyclic number.

It is not a de Polignac number, because 550448077 - 2¹⁵ = 550415309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550448027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275224038 + 275224039.

It is an arithmetic number, because the mean of its divisors is an integer number (275224039).

Almost surely, 2^550448077 is an apocalyptic number.

It is an amenable number.

550448077 is a deficient number, since it is larger than the sum of its proper divisors (1).

550448077 is an equidigital number, since it uses as much as digits as its factorization.

550448077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 550448077 is about 23461.6298879681. The cubic root of 550448077 is about 819.5437065804.

The spelling of 550448077 in words is "five hundred fifty million, four hundred forty-eight thousand, seventy-seven".