Search a number
-
+
54585569 = 298921149
BaseRepresentation
bin1101000000111…
…0100011100001
310210201020022202
43100032203201
5102433214234
65225542545
71231653413
oct320164341
9123636282
1054585569
11288a2a45
1216344a55
13b40266c
14736c9b3
154bd377e
hex340e8e1

54585569 has 8 divisors (see below), whose sum is σ = 57105000. Its totient is φ = 52108672.

The previous prime is 54585547. The next prime is 54585577. The reversal of 54585569 is 96558545.

It can be written as a sum of positive squares in 4 ways, for example, as 3025 + 54582544 = 55^2 + 7388^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54585569 is a prime.

It is a super-2 number, since 2×545855692 = 5959168686107522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54585539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7994 + ... + 13155.

It is an arithmetic number, because the mean of its divisors is an integer number (7138125).

Almost surely, 254585569 is an apocalyptic number.

It is an amenable number.

54585569 is a deficient number, since it is larger than the sum of its proper divisors (2519431).

54585569 is a wasteful number, since it uses less digits than its factorization.

54585569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21267.

The product of its digits is 1080000, while the sum is 47.

The square root of 54585569 is about 7388.2047210402. The cubic root of 54585569 is about 379.3376481098.

The spelling of 54585569 in words is "fifty-four million, five hundred eighty-five thousand, five hundred sixty-nine".

Divisors: 1 29 89 2581 21149 613321 1882261 54585569