554305643 has 2 divisors, whose sum is σ = 554305644. Its totient is φ = 554305642.

The previous prime is 554305607. The next prime is 554305669. The reversal of 554305643 is 346503455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 554305643 - 2⁶ = 554305579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (554305243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277152821 + 277152822.

It is an arithmetic number, because the mean of its divisors is an integer number (277152822).

Almost surely, 2^554305643 is an apocalyptic number.

554305643 is a deficient number, since it is larger than the sum of its proper divisors (1).

554305643 is an equidigital number, since it uses as much as digits as its factorization.

554305643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 554305643 is about 23543.6964599869. The cubic root of 554305643 is about 821.4537186274.

The spelling of 554305643 in words is "five hundred fifty-four million, three hundred five thousand, six hundred forty-three".