554330643 has 16 divisors (see below), whose sum is σ = 794565120. Its totient is φ = 342652896.

The previous prime is 554330641. The next prime is 554330663. The reversal of 554330643 is 346033455.

It is not a de Polignac number, because 554330643 - 2¹ = 554330641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (554330641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100780 + ... + 106137.

It is an arithmetic number, because the mean of its divisors is an integer number (49660320).

Almost surely, 2^554330643 is an apocalyptic number.

554330643 is a deficient number, since it is larger than the sum of its proper divisors (240234477).

554330643 is a wasteful number, since it uses less digits than its factorization.

554330643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206986.

The product of its (nonzero) digits is 64800, while the sum is 33.

The square root of 554330643 is about 23544.2273816747. The cubic root of 554330643 is about 821.4660680321.

The spelling of 554330643 in words is "five hundred fifty-four million, three hundred thirty thousand, six hundred forty-three".