553003043400 has 384 divisors, whose sum is σ = 1997925696000. Its totient is φ = 140426680320.

The previous prime is 553003043393. The next prime is 553003043419. The reversal of 553003043400 is 4340300355.

It is a happy number.

553003043400 is a `hidden beast` number, since 55 + 300 + 304 + 3 + 4 + 0 + 0 = 666.

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

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 9361156 + ... + 9420044.

It is an arithmetic number, because the mean of its divisors is an integer number (5202931500).

Almost surely, 2^553003043400 is an apocalyptic number.

553003043400 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 553003043400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (998962848000).

553003043400 is an abundant number, since it is smaller than the sum of its proper divisors (1444922652600).

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

553003043400 is a wasteful number, since it uses less digits than its factorization.

553003043400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58998 (or 58983 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

Adding to 553003043400 its reverse (4340300355), we get a palindrome (557343343755).

The spelling of 553003043400 in words is "five hundred fifty-three billion, three million, forty-three thousand, four hundred".