551830773 has 16 divisors (see below), whose sum is σ = 794662400. Its totient is φ = 338606784.

The previous prime is 551830681. The next prime is 551830777. The reversal of 551830773 is 377038155.

It is not a de Polignac number, because 551830773 - 2⁹ = 551830261 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551830777) 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, 6661 + ... + 33882.

It is an arithmetic number, because the mean of its divisors is an integer number (49666400).

Almost surely, 2^551830773 is an apocalyptic number.

It is an amenable number.

551830773 is a deficient number, since it is larger than the sum of its proper divisors (242831627).

551830773 is a wasteful number, since it uses less digits than its factorization.

551830773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40908.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 551830773 is about 23491.0785831558. The cubic root of 551830773 is about 820.2293493898.

The spelling of 551830773 in words is "five hundred fifty-one million, eight hundred thirty thousand, seven hundred seventy-three".