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55560784 = 243472549
BaseRepresentation
bin1101001111110…
…0101001010000
310212112210001211
43103330221100
5103210421114
65302505504
71243154536
oct323745120
9125483054
1055560784
11293a9704
1216735294
13b684506
147544156
154d276c4
hex34fca50

55560784 has 10 divisors (see below), whose sum is σ = 107649050. Its totient is φ = 27780384.

The previous prime is 55560763. The next prime is 55560787. The reversal of 55560784 is 48706555.

55560784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 50808384 + 4752400 = 7128^2 + 2180^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55560787) 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 as a sum of consecutive naturals, namely, 1736259 + ... + 1736290.

It is an arithmetic number, because the mean of its divisors is an integer number (10764905).

Almost surely, 255560784 is an apocalyptic number.

It is an amenable number.

55560784 is a deficient number, since it is larger than the sum of its proper divisors (52088266).

55560784 is a wasteful number, since it uses less digits than its factorization.

55560784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472557 (or 3472551 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 55560784 is about 7453.9106514634. The cubic root of 55560784 is about 381.5833839586.

The spelling of 55560784 in words is "fifty-five million, five hundred sixty thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 3472549 6945098 13890196 27780392 55560784