Search a number
-
+
55269252 = 22321980803
BaseRepresentation
bin1101001011010…
…1011110000100
310211222222011100
43102311132010
5103122104002
65252340100
71240531563
oct322653604
9124888140
1055269252
112921a675
1216614630
13b5b18cc
1474a9bda
154cbb11c
hex34b5784

55269252 has 36 divisors (see below), whose sum is σ = 147063280. Its totient is φ = 17453232.

The previous prime is 55269251. The next prime is 55269259. The reversal of 55269252 is 25296255.

55269252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55269251) 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 11 ways as a sum of consecutive naturals, for example, 39718 + ... + 41085.

Almost surely, 255269252 is an apocalyptic number.

It is an amenable number.

55269252 is an abundant number, since it is smaller than the sum of its proper divisors (91794028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55269252 is a wasteful number, since it uses less digits than its factorization.

55269252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80832 (or 80827 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 55269252 is about 7434.3292905278. The cubic root of 55269252 is about 380.9148134512.

The spelling of 55269252 in words is "fifty-five million, two hundred sixty-nine thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 80803 161606 242409 323212 484818 727227 969636 1454454 1535257 2908908 3070514 4605771 6141028 9211542 13817313 18423084 27634626 55269252