550328057 has 2 divisors, whose sum is σ = 550328058. Its totient is φ = 550328056.

The previous prime is 550328033. The next prime is 550328069. The reversal of 550328057 is 750823055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 541213696 + 9114361 = 23264^2 + 3019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550328057 is a prime.

It is not a weakly prime, because it can be changed into another prime (550328257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275164028 + 275164029.

It is an arithmetic number, because the mean of its divisors is an integer number (275164029).

Almost surely, 2^550328057 is an apocalyptic number.

It is an amenable number.

550328057 is a deficient number, since it is larger than the sum of its proper divisors (1).

550328057 is an equidigital number, since it uses as much as digits as its factorization.

550328057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 550328057 is about 23459.0719552160. The cubic root of 550328057 is about 819.4841376646.

The spelling of 550328057 in words is "five hundred fifty million, three hundred twenty-eight thousand, fifty-seven".