554618947 has 6 divisors (see below), whose sum is σ = 561734628. Its totient is φ = 547592292.

The previous prime is 554618929. The next prime is 554618959. The reversal of 554618947 is 749816455.

It is a happy number.

It is not a de Polignac number, because 554618947 - 2¹¹ = 554616899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 554618947.

It is not an unprimeable number, because it can be changed into a prime (554618917) 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 5 ways as a sum of consecutive naturals, for example, 38193 + ... + 50674.

It is an arithmetic number, because the mean of its divisors is an integer number (93622438).

Almost surely, 2^554618947 is an apocalyptic number.

554618947 is a deficient number, since it is larger than the sum of its proper divisors (7115681).

554618947 is an frugal number, since it uses more digits than its factorization.

554618947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89025 (or 88946 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

The square root of 554618947 is about 23550.3491906171. The cubic root of 554618947 is about 821.6084565205.

The spelling of 554618947 in words is "five hundred fifty-four million, six hundred eighteen thousand, nine hundred forty-seven".