Search a number
-
+
54561225 = 352727483
BaseRepresentation
bin1101000000100…
…0100111001001
310210122222221010
43100020213021
5102431424400
65225234133
71231522425
oct320104711
9123588833
1054561225
1128886724
1216332949
13b3c4564
147363b85
154bcb450
hex34089c9

54561225 has 12 divisors (see below), whose sum is σ = 90208016. Its totient is φ = 29099280.

The previous prime is 54561203. The next prime is 54561229. The reversal of 54561225 is 52216545.

It is not a de Polignac number, because 54561225 - 26 = 54561161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54561192 and 54561201.

It is not an unprimeable number, because it can be changed into a prime (54561229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363667 + ... + 363816.

Almost surely, 254561225 is an apocalyptic number.

It is an amenable number.

54561225 is a deficient number, since it is larger than the sum of its proper divisors (35646791).

54561225 is a wasteful number, since it uses less digits than its factorization.

54561225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727496 (or 727491 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 54561225 is about 7386.5570464189. The cubic root of 54561225 is about 379.2812475566.

The spelling of 54561225 in words is "fifty-four million, five hundred sixty-one thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 727483 2182449 3637415 10912245 18187075 54561225