543055949 has 2 divisors, whose sum is σ = 543055950. Its totient is φ = 543055948.

The previous prime is 543055859. The next prime is 543055951. The reversal of 543055949 is 949550345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428779849 + 114276100 = 20707^2 + 10690^2 .

It is a cyclic number.

It is not a de Polignac number, because 543055949 - 2⁸ = 543055693 is a prime.

Together with 543055951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543055999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271527974 + 271527975.

It is an arithmetic number, because the mean of its divisors is an integer number (271527975).

Almost surely, 2^543055949 is an apocalyptic number.

It is an amenable number.

543055949 is a deficient number, since it is larger than the sum of its proper divisors (1).

543055949 is an equidigital number, since it uses as much as digits as its factorization.

543055949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 44.

The square root of 543055949 is about 23303.5608652412. The cubic root of 543055949 is about 815.8585299770.

The spelling of 543055949 in words is "five hundred forty-three million, fifty-five thousand, nine hundred forty-nine".