551044673 has 2 divisors, whose sum is σ = 551044674. Its totient is φ = 551044672.

The previous prime is 551044639. The next prime is 551044693. The reversal of 551044673 is 376440155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432931249 + 118113424 = 20807^2 + 10868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551044673 is a prime.

It is not a weakly prime, because it can be changed into another prime (551044693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275522336 + 275522337.

It is an arithmetic number, because the mean of its divisors is an integer number (275522337).

Almost surely, 2^551044673 is an apocalyptic number.

It is an amenable number.

551044673 is a deficient number, since it is larger than the sum of its proper divisors (1).

551044673 is an equidigital number, since it uses as much as digits as its factorization.

551044673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 551044673 is about 23474.3407362166. The cubic root of 551044673 is about 819.8396836104.

The spelling of 551044673 in words is "five hundred fifty-one million, forty-four thousand, six hundred seventy-three".