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55844648 = 2319477817
BaseRepresentation
bin1101010100000…
…1111100101000
310220002012110022
43111001330220
5103244012043
65312540012
71245446246
oct325017450
9126065408
1055844648
1129582a02
1216851608
13b753792
1475b9796
154d81868
hex3541f28

55844648 has 32 divisors (see below), whose sum is σ = 112579200. Its totient is φ = 25886592.

The previous prime is 55844639. The next prime is 55844651. The reversal of 55844648 is 84644855.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55844599 and 55844608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3236 + ... + 11052.

It is an arithmetic number, because the mean of its divisors is an integer number (3518100).

Almost surely, 255844648 is an apocalyptic number.

It is an amenable number.

55844648 is an abundant number, since it is smaller than the sum of its proper divisors (56734552).

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

55844648 is a wasteful number, since it uses less digits than its factorization.

55844648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7889 (or 7885 counting only the distinct ones).

The product of its digits is 614400, while the sum is 44.

The square root of 55844648 is about 7472.9276726060. The cubic root of 55844648 is about 382.2321259427.

The spelling of 55844648 in words is "fifty-five million, eight hundred forty-four thousand, six hundred forty-eight".

Divisors: 1 2 4 8 19 38 47 76 94 152 188 376 893 1786 3572 7144 7817 15634 31268 62536 148523 297046 367399 594092 734798 1188184 1469596 2939192 6980581 13961162 27922324 55844648