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55804808 = 2323303287
BaseRepresentation
bin1101010011100…
…0001110001000
310220000011210202
43110320032020
5103241223213
65312031332
71245222143
oct324701610
9126004722
1055804808
1129555a84
1216832548
13b73b5c7
1475a905a
154d74b58
hex3538388

55804808 has 16 divisors (see below), whose sum is σ = 109183680. Its totient is φ = 26689168.

The previous prime is 55804807. The next prime is 55804811. The reversal of 55804808 is 80840855.

It is a super-2 number, since 2×558048082 = 6228353191833728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55804807) 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 3 ways as a sum of consecutive naturals, for example, 151460 + ... + 151827.

It is an arithmetic number, because the mean of its divisors is an integer number (6823980).

Almost surely, 255804808 is an apocalyptic number.

It is an amenable number.

55804808 is a deficient number, since it is larger than the sum of its proper divisors (53378872).

55804808 is a wasteful number, since it uses less digits than its factorization.

55804808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303316 (or 303312 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 55804808 is about 7470.2615750722. The cubic root of 55804808 is about 382.1412085426.

The spelling of 55804808 in words is "fifty-five million, eight hundred four thousand, eight hundred eight".

Divisors: 1 2 4 8 23 46 92 184 303287 606574 1213148 2426296 6975601 13951202 27902404 55804808