551826880 has 224 divisors, whose sum is σ = 1556674560. Its totient is φ = 184135680.

The previous prime is 551826871. The next prime is 551826887. The reversal of 551826880 is 88628155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551826887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2474449 + ... + 2474671.

It is an arithmetic number, because the mean of its divisors is an integer number (6949440).

Almost surely, 2^551826880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551826880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778337280).

551826880 is an abundant number, since it is smaller than the sum of its proper divisors (1004847680).

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

551826880 is a wasteful number, since it uses less digits than its factorization.

551826880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 43.

The square root of 551826880 is about 23490.9957217654. The cubic root of 551826880 is about 820.2274205616.

The spelling of 551826880 in words is "five hundred fifty-one million, eight hundred twenty-six thousand, eight hundred eighty".