554989994 has 16 divisors (see below), whose sum is σ = 927438120. Its totient is φ = 247316160.

The previous prime is 554989991. The next prime is 554989999. The reversal of 554989994 is 499989455.

It can be written as a sum of positive squares in 4 ways, for example, as 392554969 + 162435025 = 19813^2 + 12745^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (554989991) 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, 367277 + ... + 368784.

Almost surely, 2^554989994 is an apocalyptic number.

554989994 is a deficient number, since it is larger than the sum of its proper divisors (372448126).

554989994 is a wasteful number, since it uses less digits than its factorization.

554989994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736105.

The product of its digits is 20995200, while the sum is 62.

The square root of 554989994 is about 23558.2256122994. The cubic root of 554989994 is about 821.7916377814.

The spelling of 554989994 in words is "five hundred fifty-four million, nine hundred eighty-nine thousand, nine hundred ninety-four".