555430400 has 120 divisors (see below), whose sum is σ = 1572964800. Its totient is φ = 190402560.

The previous prime is 555430391. The next prime is 555430423. The reversal of 555430400 is 4034555.

It is a self number, because there is not a number n which added to its sum of digits gives 555430400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86501 + ... + 92699.

It is an arithmetic number, because the mean of its divisors is an integer number (13108040).

Almost surely, 2^555430400 is an apocalyptic number.

555430400 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 555430400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786482400).

555430400 is an abundant number, since it is smaller than the sum of its proper divisors (1017534400).

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

555430400 is an equidigital number, since it uses as much as digits as its factorization.

555430400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6234 (or 6213 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 555430400 is about 23567.5709397468. The cubic root of 555430400 is about 822.0089547788.

Adding to 555430400 its reverse (4034555), we get a palindrome (559464955).

The spelling of 555430400 in words is "five hundred fifty-five million, four hundred thirty thousand, four hundred".