554502643 has 4 divisors (see below), whose sum is σ = 554846760. Its totient is φ = 554158528.

The previous prime is 554502601. The next prime is 554502667. The reversal of 554502643 is 346205455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554502643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 554502599 and 554502608.

It is not an unprimeable number, because it can be changed into a prime (554502743) 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 in 3 ways as a sum of consecutive naturals, for example, 169630 + ... + 172867.

It is an arithmetic number, because the mean of its divisors is an integer number (138711690).

Almost surely, 2^554502643 is an apocalyptic number.

554502643 is a deficient number, since it is larger than the sum of its proper divisors (344117).

554502643 is a wasteful number, since it uses less digits than its factorization.

554502643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344116.

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 554502643 is about 23547.8797984022. The cubic root of 554502643 is about 821.5510218736.

The spelling of 554502643 in words is "five hundred fifty-four million, five hundred two thousand, six hundred forty-three".