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55645848 = 2332772859
BaseRepresentation
bin1101010001000…
…1011010011000
310212201002202100
43110101122120
5103221131343
65304403400
71243660536
oct324213230
9125632670
1055645848
1129457605
1216776560
13b6b414b
147567156
154d429d3
hex3511698

55645848 has 24 divisors (see below), whose sum is σ = 150707700. Its totient is φ = 18548592.

The previous prime is 55645841. The next prime is 55645871. The reversal of 55645848 is 84854655.

55645848 is a `hidden beast` number, since 5 + 5 + 64 + 584 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55645841) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 386358 + ... + 386501.

Almost surely, 255645848 is an apocalyptic number.

It is an amenable number.

55645848 is an abundant number, since it is smaller than the sum of its proper divisors (95061852).

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

55645848 is a wasteful number, since it uses less digits than its factorization.

55645848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772871 (or 772864 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 55645848 is about 7459.6144672496. The cubic root of 55645848 is about 381.7780203893.

The spelling of 55645848 in words is "fifty-five million, six hundred forty-five thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 772859 1545718 2318577 3091436 4637154 6182872 6955731 9274308 13911462 18548616 27822924 55645848