549657071 has 2 divisors, whose sum is σ = 549657072. Its totient is φ = 549657070.

The previous prime is 549656929. The next prime is 549657083. The reversal of 549657071 is 170756945.

549657071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549657071 - 2²² = 545462767 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549657371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274828535 + 274828536.

It is an arithmetic number, because the mean of its divisors is an integer number (274828536).

Almost surely, 2^549657071 is an apocalyptic number.

549657071 is a deficient number, since it is larger than the sum of its proper divisors (1).

549657071 is an equidigital number, since it uses as much as digits as its factorization.

549657071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 549657071 is about 23444.7663882582. The cubic root of 549657071 is about 819.1509509403.

The spelling of 549657071 in words is "five hundred forty-nine million, six hundred fifty-seven thousand, seventy-one".