553545043 has 2 divisors, whose sum is σ = 553545044. Its totient is φ = 553545042.

The previous prime is 553545029. The next prime is 553545067. The reversal of 553545043 is 340545355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553545043 - 2²¹ = 551447891 is a prime.

It is a super-2 number, since 2×553545043² = 612824229259743698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (553545073) 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, 276772521 + 276772522.

It is an arithmetic number, because the mean of its divisors is an integer number (276772522).

Almost surely, 2^553545043 is an apocalyptic number.

553545043 is a deficient number, since it is larger than the sum of its proper divisors (1).

553545043 is an equidigital number, since it uses as much as digits as its factorization.

553545043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 34.

The square root of 553545043 is about 23527.5379714920. The cubic root of 553545043 is about 821.0778227055.

The spelling of 553545043 in words is "five hundred fifty-three million, five hundred forty-five thousand, forty-three".