551113200 has 240 divisors, whose sum is σ = 2140339200. Its totient is φ = 133574400.

The previous prime is 551113181. The next prime is 551113219. The reversal of 551113200 is 2311155.

551113200 is a `hidden beast` number, since 551 + 113 + 2 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (551113181) and next prime (551113219).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 116481 + ... + 121119.

It is an arithmetic number, because the mean of its divisors is an integer number (8918080).

Almost surely, 2^551113200 is an apocalyptic number.

551113200 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 551113200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1070169600).

551113200 is an abundant number, since it is smaller than the sum of its proper divisors (1589226000).

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

551113200 is a wasteful number, since it uses less digits than its factorization.

551113200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4677 (or 4660 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 551113200 is about 23475.8003058469. The cubic root of 551113200 is about 819.8736668353.

Adding to 551113200 its reverse (2311155), we get a palindrome (553424355).

It can be divided in two parts, 55111 and 3200, that added together give a triangular number (58311 = T₃₄₁).

The spelling of 551113200 in words is "five hundred fifty-one million, one hundred thirteen thousand, two hundred".