548770811 has 2 divisors, whose sum is σ = 548770812. Its totient is φ = 548770810.

The previous prime is 548770771. The next prime is 548770819. The reversal of 548770811 is 118077845.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548770811 is a prime.

It is a super-2 number, since 2×548770811² = 602298806011195442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (548770819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274385405 + 274385406.

It is an arithmetic number, because the mean of its divisors is an integer number (274385406).

Almost surely, 2^548770811 is an apocalyptic number.

548770811 is a deficient number, since it is larger than the sum of its proper divisors (1).

548770811 is an equidigital number, since it uses as much as digits as its factorization.

548770811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 41.

The square root of 548770811 is about 23425.8577431009. The cubic root of 548770811 is about 818.7104512801.

The spelling of 548770811 in words is "five hundred forty-eight million, seven hundred seventy thousand, eight hundred eleven".