551053200 has 120 divisors (see below), whose sum is σ = 1858189600. Its totient is φ = 139207680.

The previous prime is 551053187. The next prime is 551053207. The reversal of 551053200 is 2350155.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (551053207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10716 + ... + 34884.

Almost surely, 2^551053200 is an apocalyptic number.

551053200 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 551053200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929094800).

551053200 is an abundant number, since it is smaller than the sum of its proper divisors (1307136400).

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

551053200 is a wasteful number, since it uses less digits than its factorization.

551053200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24209 (or 24198 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 551053200 is about 23474.5223593580. The cubic root of 551053200 is about 819.8439123884.

The spelling of 551053200 in words is "five hundred fifty-one million, fifty-three thousand, two hundred".