551241200 has 30 divisors (see below), whose sum is σ = 1324357944. Its totient is φ = 220496320.

The previous prime is 551241191. The next prime is 551241217. The reversal of 551241200 is 2142155.

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 5 ways as a sum of consecutive naturals, for example, 688652 + ... + 689451.

Almost surely, 2^551241200 is an apocalyptic number.

551241200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

551241200 is an abundant number, since it is smaller than the sum of its proper divisors (773116744).

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

551241200 is a wasteful number, since it uses less digits than its factorization.

551241200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378121 (or 1378110 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 551241200 is about 23478.5263592075. The cubic root of 551241200 is about 819.9371357716.

Adding to 551241200 its reverse (2142155), we get a palindrome (553383355).

The spelling of 551241200 in words is "five hundred fifty-one million, two hundred forty-one thousand, two hundred".