555422400 has 672 divisors, whose sum is σ = 2328184320. Its totient is φ = 127733760.

The previous prime is 555422393. The next prime is 555422431. The reversal of 555422400 is 4224555.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12916779 + ... + 12916821.

It is an arithmetic number, because the mean of its divisors is an integer number (3464560).

Almost surely, 2^555422400 is an apocalyptic number.

555422400 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 555422400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1164092160).

555422400 is an abundant number, since it is smaller than the sum of its proper divisors (1772761920).

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

555422400 is a wasteful number, since it uses less digits than its factorization.

555422400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 555422400 is about 23567.4012143893. The cubic root of 555422400 is about 822.0050082278.

Adding to 555422400 its reverse (4224555), we get a palindrome (559646955).

The spelling of 555422400 in words is "five hundred fifty-five million, four hundred twenty-two thousand, four hundred".