Search a number
-
+
55828227 = 3713375527
BaseRepresentation
bin1101010011110…
…1111100000011
310220001100221010
43110331330003
5103243000402
65312332003
71245350340
oct324757403
9126040833
1055828227
1129571634
1216844003
13b749170
1475b37c7
154d7ba6c
hex353df03

55828227 has 32 divisors (see below), whose sum is σ = 94108672. Its totient is φ = 28646784.

The previous prime is 55828181. The next prime is 55828231. The reversal of 55828227 is 72282855.

It is a happy number.

It is not a de Polignac number, because 55828227 - 28 = 55827971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (55828127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7338 + ... + 12864.

It is an arithmetic number, because the mean of its divisors is an integer number (2940896).

Almost surely, 255828227 is an apocalyptic number.

55828227 is a deficient number, since it is larger than the sum of its proper divisors (38280445).

55828227 is a wasteful number, since it uses less digits than its factorization.

55828227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5587.

The product of its digits is 89600, while the sum is 39.

The square root of 55828227 is about 7471.8288925805. The cubic root of 55828227 is about 382.1946574220.

The spelling of 55828227 in words is "fifty-five million, eight hundred twenty-eight thousand, two hundred twenty-seven".

Divisors: 1 3 7 13 21 37 39 91 111 259 273 481 777 1443 3367 5527 10101 16581 38689 71851 116067 204499 215553 502957 613497 1431493 1508871 2658487 4294479 7975461 18609409 55828227