543560551 has 2 divisors, whose sum is σ = 543560552. Its totient is φ = 543560550.

The previous prime is 543560519. The next prime is 543560573. The reversal of 543560551 is 155065345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 543560551 - 2⁵ = 543560519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543560051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271780275 + 271780276.

It is an arithmetic number, because the mean of its divisors is an integer number (271780276).

Almost surely, 2^543560551 is an apocalyptic number.

543560551 is a deficient number, since it is larger than the sum of its proper divisors (1).

543560551 is an equidigital number, since it uses as much as digits as its factorization.

543560551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 543560551 is about 23314.3850658772. The cubic root of 543560551 is about 816.1111475337. Note that the first 4 decimals are identical.

The spelling of 543560551 in words is "five hundred forty-three million, five hundred sixty thousand, five hundred fifty-one".