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55288512 = 263295987
BaseRepresentation
bin1101001011101…
…0001011000000
310212000221120200
43102322023000
5103123213022
65253005200
71240641666
oct322721300
9125027520
1055288512
1129233094
1216623800
13b5ba5c6
1474b2c36
154cc1bac
hex34ba2c0

55288512 has 42 divisors (see below), whose sum is σ = 158476188. Its totient is φ = 18429312.

The previous prime is 55288489. The next prime is 55288543. The reversal of 55288512 is 21588255.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 5 ways as a sum of consecutive naturals, for example, 47418 + ... + 48569.

Almost surely, 255288512 is an apocalyptic number.

It is an amenable number.

55288512 is an abundant number, since it is smaller than the sum of its proper divisors (103187676).

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

55288512 is a wasteful number, since it uses less digits than its factorization.

55288512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96005 (or 95992 counting only the distinct ones).

The product of its digits is 32000, while the sum is 36.

The square root of 55288512 is about 7435.6245198369. The cubic root of 55288512 is about 380.9590548513.

The spelling of 55288512 in words is "fifty-five million, two hundred eighty-eight thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 95987 191974 287961 383948 575922 767896 863883 1151844 1535792 1727766 2303688 3071584 3455532 4607376 6143168 6911064 9214752 13822128 18429504 27644256 55288512