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55284553 is a prime number
BaseRepresentation
bin1101001011100…
…1001101001001
310212000202011001
43102321031021
5103123101203
65252535001
71240624312
oct322711511
9125022131
1055284553
1129230115
1216621461
13b5b886c
1474b1609
154cc091d
hex34b9349

55284553 has 2 divisors, whose sum is σ = 55284554. Its totient is φ = 55284552.

The previous prime is 55284539. The next prime is 55284577. The reversal of 55284553 is 35548255.

It is a happy number.

55284553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53187849 + 2096704 = 7293^2 + 1448^2 .

It is a cyclic number.

It is not a de Polignac number, because 55284553 - 25 = 55284521 is a prime.

It is not a weakly prime, because it can be changed into another prime (55288553) 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, 27642276 + 27642277.

It is an arithmetic number, because the mean of its divisors is an integer number (27642277).

Almost surely, 255284553 is an apocalyptic number.

It is an amenable number.

55284553 is a deficient number, since it is larger than the sum of its proper divisors (1).

55284553 is an equidigital number, since it uses as much as digits as its factorization.

55284553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120000, while the sum is 37.

The square root of 55284553 is about 7435.3582966795. The cubic root of 55284553 is about 380.9499616248.

The spelling of 55284553 in words is "fifty-five million, two hundred eighty-four thousand, five hundred fifty-three".