554643400 has 48 divisors (see below), whose sum is σ = 1296317700. Its totient is φ = 220692480.

The previous prime is 554643379. The next prime is 554643403. The reversal of 554643400 is 4346455.

It can be written as a sum of positive squares in 6 ways, for example, as 156800484 + 397842916 = 12522^2 + 19946^2 .

It is not an unprimeable number, because it can be changed into a prime (554643403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31416 + ... + 45784.

Almost surely, 2^554643400 is an apocalyptic number.

554643400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554643400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648158850).

554643400 is an abundant number, since it is smaller than the sum of its proper divisors (741674300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

554643400 is a wasteful number, since it uses less digits than its factorization.

554643400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14578 (or 14569 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 554643400 is about 23550.8683491713. The cubic root of 554643400 is about 821.6205311749.

Adding to 554643400 its reverse (4346455), we get a palindrome (558989855).

The spelling of 554643400 in words is "five hundred fifty-four million, six hundred forty-three thousand, four hundred".