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55904712 = 23310123063
BaseRepresentation
bin1101010101000…
…0100111001000
310220012020211220
43111100213020
5103302422322
65314122040
71246116333
oct325204710
9126166756
1055904712
1129614046
1216880320
13b774c16
1475d361a
154d9455c
hex35509c8

55904712 has 32 divisors (see below), whose sum is σ = 141151680. Its totient is φ = 18449600.

The previous prime is 55904701. The next prime is 55904713. The reversal of 55904712 is 21740955.

It is not an unprimeable number, because it can be changed into a prime (55904713) 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 7 ways as a sum of consecutive naturals, for example, 9108 + ... + 13955.

It is an arithmetic number, because the mean of its divisors is an integer number (4410990).

Almost surely, 255904712 is an apocalyptic number.

It is an amenable number.

55904712 is an abundant number, since it is smaller than the sum of its proper divisors (85246968).

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

55904712 is a wasteful number, since it uses less digits than its factorization.

55904712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23173 (or 23169 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 55904712 is about 7476.9453655888. The cubic root of 55904712 is about 382.3691140884.

It can be divided in two parts, 55904 and 712, that added together give a triangular number (56616 = T336).

The spelling of 55904712 in words is "fifty-five million, nine hundred four thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 101 202 303 404 606 808 1212 2424 23063 46126 69189 92252 138378 184504 276756 553512 2329363 4658726 6988089 9317452 13976178 18634904 27952356 55904712