Search a number
-
+
55655208 = 2333736809
BaseRepresentation
bin1101010001001…
…1101100101000
310212201120121000
43110103230220
5103221431313
65304515000
71244030040
oct324235450
9125646530
1055655208
1129463644
121677ba60
13b6b849b
14756a720
154d45673
hex3513b28

55655208 has 64 divisors (see below), whose sum is σ = 176688000. Its totient is φ = 15901056.

The previous prime is 55655207. The next prime is 55655221. The reversal of 55655208 is 80255655.

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 (55655203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16893 + ... + 19916.

It is an arithmetic number, because the mean of its divisors is an integer number (2760750).

Almost surely, 255655208 is an apocalyptic number.

It is an amenable number.

55655208 is an abundant number, since it is smaller than the sum of its proper divisors (121032792).

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

55655208 is a wasteful number, since it uses less digits than its factorization.

55655208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36831 (or 36821 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 55655208 is about 7460.2418191370. The cubic root of 55655208 is about 381.7994250526.

The spelling of 55655208 in words is "fifty-five million, six hundred fifty-five thousand, two hundred eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 108 126 168 189 216 252 378 504 756 1512 36809 73618 110427 147236 220854 257663 294472 331281 441708 515326 662562 772989 883416 993843 1030652 1325124 1545978 1987686 2061304 2318967 2650248 3091956 3975372 4637934 6183912 6956901 7950744 9275868 13913802 18551736 27827604 55655208