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55536128 = 29313499
BaseRepresentation
bin1101001111011…
…0101000000000
310212111112020122
43103312220000
5103204124003
65302155412
71243022624
oct323665000
9125445218
1055536128
112939212a
1216722b68
13b67621b
147539184
154d20238
hex34f6a00

55536128 has 40 divisors (see below), whose sum is σ = 114576000. Its totient is φ = 26864640.

The previous prime is 55536119. The next prime is 55536133. The reversal of 55536128 is 82163555.

It is an unprimeable number.

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, 14123 + ... + 17621.

It is an arithmetic number, because the mean of its divisors is an integer number (2864400).

Almost surely, 255536128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55536128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57288000).

55536128 is an abundant number, since it is smaller than the sum of its proper divisors (59039872).

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

55536128 is an equidigital number, since it uses as much as digits as its factorization.

55536128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548 (or 3532 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 55536128 is about 7452.2565709991. The cubic root of 55536128 is about 381.5269309998.

The spelling of 55536128 in words is "fifty-five million, five hundred thirty-six thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 31 32 62 64 124 128 248 256 496 512 992 1984 3499 3968 6998 7936 13996 15872 27992 55984 108469 111968 216938 223936 433876 447872 867752 895744 1735504 1791488 3471008 6942016 13884032 27768064 55536128