551033780 has 48 divisors (see below), whose sum is σ = 1274918400. Its totient is φ = 198384000.

The previous prime is 551033753. The next prime is 551033783. The reversal of 551033780 is 87330155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551033783) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9821 + ... + 34619.

It is an arithmetic number, because the mean of its divisors is an integer number (26560800).

Almost surely, 2^551033780 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 551033780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637459200).

551033780 is an abundant number, since it is smaller than the sum of its proper divisors (723884620).

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

551033780 is a wasteful number, since it uses less digits than its factorization.

551033780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24920 (or 24918 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 551033780 is about 23474.1087157745. The cubic root of 551033780 is about 819.8342814031.

The spelling of 551033780 in words is "five hundred fifty-one million, thirty-three thousand, seven hundred eighty".