550004554400 has 288 divisors, whose sum is σ = 1607689101312. Its totient is φ = 179762457600.

The previous prime is 550004554399. The next prime is 550004554417. The reversal of 550004554400 is 4455400055.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11607557 + ... + 11654843.

It is an arithmetic number, because the mean of its divisors is an integer number (5582253824).

Almost surely, 2^550004554400 is an apocalyptic number.

550004554400 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 550004554400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803844550656).

550004554400 is an abundant number, since it is smaller than the sum of its proper divisors (1057684546912).

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

550004554400 is a wasteful number, since it uses less digits than its factorization.

550004554400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47412 (or 47399 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

Adding to 550004554400 its reverse (4455400055), we get a palindrome (554459954455).

The spelling of 550004554400 in words is "five hundred fifty billion, four million, five hundred fifty-four thousand, four hundred".