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552861169 = 7233592
BaseRepresentation
bin100000111100111…
…111110111110001
31102112022020221121
4200330333313301
52113013024134
6130505422241
716462146100
oct4074776761
91375266847
10552861169
11264091863
1213519a981
138a7028b3
14535d6037
153380aab4
hex20f3fdf1

552861169 has 9 divisors (see below), whose sum is σ = 643315737. Its totient is φ = 473739924.

The previous prime is 552861157. The next prime is 552861181. The reversal of 552861169 is 961168255.

The square root of 552861169 is 23513.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (552861157) and next prime (552861181).

It is not a de Polignac number, because 552861169 - 25 = 552861137 is a prime.

It is a super-2 number, since 2×5528611692 = 611310944376093122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552861109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 162912 + ... + 166270.

Almost surely, 2552861169 is an apocalyptic number.

552861169 is the 23513-rd square number.

552861169 is the 11757-th centered octagonal number.

It is an amenable number.

552861169 is a deficient number, since it is larger than the sum of its proper divisors (90454568).

552861169 is an frugal number, since it uses more digits than its factorization.

552861169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732 (or 3366 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The cubic root of 552861169 is about 820.7395514239.

Multiplying 552861169 by its product of digits (129600), we get a square (71650807502400 = 84646802).

The spelling of 552861169 in words is "five hundred fifty-two million, eight hundred sixty-one thousand, one hundred sixty-nine".

Divisors: 1 7 49 3359 23513 164591 11282881 78980167 552861169