549564863 has 2 divisors, whose sum is σ = 549564864. Its totient is φ = 549564862.

The previous prime is 549564859. The next prime is 549564871. The reversal of 549564863 is 368465945.

549564863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549564863 - 2² = 549564859 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549564803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274782431 + 274782432.

It is an arithmetic number, because the mean of its divisors is an integer number (274782432).

Almost surely, 2^549564863 is an apocalyptic number.

549564863 is a deficient number, since it is larger than the sum of its proper divisors (1).

549564863 is an equidigital number, since it uses as much as digits as its factorization.

549564863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 50.

The square root of 549564863 is about 23442.7998114560. The cubic root of 549564863 is about 819.1051426846.

The spelling of 549564863 in words is "five hundred forty-nine million, five hundred sixty-four thousand, eight hundred sixty-three".