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55184256 = 273247903
BaseRepresentation
bin1101001010000…
…0101110000000
310211211122120100
43102200232000
5103111344011
65250442400
71240026021
oct322405600
9124748510
1055184256
1129171826
1216593400
13b58200a
147486c48
154ca0d56
hex34a0b80

55184256 has 48 divisors (see below), whose sum is σ = 158801760. Its totient is φ = 18394368.

The previous prime is 55184243. The next prime is 55184257. The reversal of 55184256 is 65248155.

55184256 is a `hidden beast` number, since 551 + 84 + 25 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×551842562 = 6090604220547072, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55184256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55184257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22800 + ... + 25103.

It is an arithmetic number, because the mean of its divisors is an integer number (3308370).

Almost surely, 255184256 is an apocalyptic number.

It is an amenable number.

55184256 is an abundant number, since it is smaller than the sum of its proper divisors (103617504).

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

55184256 is a wasteful number, since it uses less digits than its factorization.

55184256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47923 (or 47908 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 55184256 is about 7428.6106372592. The cubic root of 55184256 is about 380.7194495726.

The spelling of 55184256 in words is "fifty-five million, one hundred eighty-four thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 47903 95806 143709 191612 287418 383224 431127 574836 766448 862254 1149672 1532896 1724508 2299344 3065792 3449016 4598688 6131584 6898032 9197376 13796064 18394752 27592128 55184256