554821066 has 16 divisors (see below), whose sum is σ = 849429504. Its totient is φ = 271696464.

The previous prime is 554821063. The next prime is 554821067. The reversal of 554821066 is 660128455.

It is not an unprimeable number, because it can be changed into a prime (554821063) 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 7 ways as a sum of consecutive naturals, for example, 60031 + ... + 68653.

It is an arithmetic number, because the mean of its divisors is an integer number (53089344).

Almost surely, 2^554821066 is an apocalyptic number.

554821066 is a deficient number, since it is larger than the sum of its proper divisors (294608438).

554821066 is a wasteful number, since it uses less digits than its factorization.

554821066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9285.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 554821066 is about 23554.6400099853. The cubic root of 554821066 is about 821.7082502689.

The spelling of 554821066 in words is "five hundred fifty-four million, eight hundred twenty-one thousand, sixty-six".