551403200 has 84 divisors (see below), whose sum is σ = 1400690112. Its totient is φ = 213427200.

The previous prime is 551403179. The next prime is 551403241. The reversal of 551403200 is 2304155.

551403200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 44042 + ... + 55158.

Almost surely, 2^551403200 is an apocalyptic number.

551403200 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 551403200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700345056).

551403200 is an abundant number, since it is smaller than the sum of its proper divisors (849286912).

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

551403200 is a wasteful number, since it uses less digits than its factorization.

551403200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11170 (or 11155 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 551403200 is about 23481.9760667624. The cubic root of 551403200 is about 820.0174495593.

Adding to 551403200 its reverse (2304155), we get a palindrome (553707355).

The spelling of 551403200 in words is "five hundred fifty-one million, four hundred three thousand, two hundred".