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55208484 = 22322695701
BaseRepresentation
bin1101001010011…
…0101000100100
310211212212210200
43102212220210
5103113132414
65251150500
71240156452
oct322465044
9124785720
1055208484
1129188a51
12165a5430
13b590056
1474919d2
154ca8109
hex34a6a24

55208484 has 36 divisors (see below), whose sum is σ = 140098140. Its totient is φ = 18331200.

The previous prime is 55208449. The next prime is 55208497. The reversal of 55208484 is 48480255.

It can be written as a sum of positive squares in 2 ways, for example, as 23736384 + 31472100 = 4872^2 + 5610^2 .

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6834 + ... + 12534.

It is an arithmetic number, because the mean of its divisors is an integer number (3891615).

Almost surely, 255208484 is an apocalyptic number.

It is an amenable number.

55208484 is an abundant number, since it is smaller than the sum of its proper divisors (84889656).

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

55208484 is a wasteful number, since it uses less digits than its factorization.

55208484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980 (or 5975 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 55208484 is about 7430.2411804732. The cubic root of 55208484 is about 380.7751582228.

The spelling of 55208484 in words is "fifty-five million, two hundred eight thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 269 538 807 1076 1614 2421 3228 4842 5701 9684 11402 17103 22804 34206 51309 68412 102618 205236 1533569 3067138 4600707 6134276 9201414 13802121 18402828 27604242 55208484