551930873 has 8 divisors (see below), whose sum is σ = 600516168. Its totient is φ = 504221184.

The previous prime is 551930861. The next prime is 551930909. The reversal of 551930873 is 378039155.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8248384 + 543682489 = 2872^2 + 23317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551930873 - 2¹⁰ = 551929849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551930873.

It is not an unprimeable number, because it can be changed into a prime (551930803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217586 + ... + 220107.

It is an arithmetic number, because the mean of its divisors is an integer number (75064521).

Almost surely, 2^551930873 is an apocalyptic number.

It is an amenable number.

551930873 is a deficient number, since it is larger than the sum of its proper divisors (48585295).

551930873 is a wasteful number, since it uses less digits than its factorization.

551930873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437803.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 551930873 is about 23493.2090826264. The cubic root of 551930873 is about 820.2789418844.

The spelling of 551930873 in words is "five hundred fifty-one million, nine hundred thirty thousand, eight hundred seventy-three".