554404989 has 4 divisors (see below), whose sum is σ = 739206656. Its totient is φ = 369603324.

The previous prime is 554404987. The next prime is 554405029. The reversal of 554404989 is 989404455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 554404989 - 2¹ = 554404987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554404987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92400829 + ... + 92400834.

It is an arithmetic number, because the mean of its divisors is an integer number (184801664).

Almost surely, 2^554404989 is an apocalyptic number.

It is an amenable number.

554404989 is a deficient number, since it is larger than the sum of its proper divisors (184801667).

554404989 is a wasteful number, since it uses less digits than its factorization.

554404989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184801666.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The square root of 554404989 is about 23545.8061870899. The cubic root of 554404989 is about 821.5027909922.

It can be divided in two parts, 55 and 4404989, that added together give a palindrome (4405044).

The spelling of 554404989 in words is "five hundred fifty-four million, four hundred four thousand, nine hundred eighty-nine".