555745243 has 2 divisors, whose sum is σ = 555745244. Its totient is φ = 555745242.

The previous prime is 555745163. The next prime is 555745273. The reversal of 555745243 is 342547555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555745243 - 2⁹ = 555744731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 555745196 and 555745205.

It is not a weakly prime, because it can be changed into another prime (555745273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277872621 + 277872622.

It is an arithmetic number, because the mean of its divisors is an integer number (277872622).

Almost surely, 2^555745243 is an apocalyptic number.

555745243 is a deficient number, since it is larger than the sum of its proper divisors (1).

555745243 is an equidigital number, since it uses as much as digits as its factorization.

555745243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420000, while the sum is 40.

The square root of 555745243 is about 23574.2495744827. The cubic root of 555745243 is about 822.1642426902.

The spelling of 555745243 in words is "five hundred fifty-five million, seven hundred forty-five thousand, two hundred forty-three".