551770169 has 8 divisors (see below), whose sum is σ = 569683968. Its totient is φ = 534068640.

The previous prime is 551770151. The next prime is 551770213. The reversal of 551770169 is 961077155.

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 551770169 - 2⁸ = 551769913 is a prime.

It is a super-2 number, since 2×551770169² = 608900638796577122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551770129) 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 7 ways as a sum of consecutive naturals, for example, 47777 + ... + 58190.

It is an arithmetic number, because the mean of its divisors is an integer number (71210496).

Almost surely, 2^551770169 is an apocalyptic number.

It is an amenable number.

551770169 is a deficient number, since it is larger than the sum of its proper divisors (17913799).

551770169 is a wasteful number, since it uses less digits than its factorization.

551770169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106135.

The product of its (nonzero) digits is 66150, while the sum is 41.

The square root of 551770169 is about 23489.7886112242. The cubic root of 551770169 is about 820.1993214647.

The spelling of 551770169 in words is "five hundred fifty-one million, seven hundred seventy thousand, one hundred sixty-nine".