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55688652 = 22321546907
BaseRepresentation
bin1101010001101…
…1110111001100
310212210021110200
43110123313030
5103224014102
65305333500
71244226405
oct324336714
9125707420
1055688652
1129486788
1216797290
13b6ca786
1475789ac
154d5051c
hex351bdcc

55688652 has 18 divisors (see below), whose sum is σ = 140768628. Its totient is φ = 18562872.

The previous prime is 55688641. The next prime is 55688653. The reversal of 55688652 is 25688655.

55688652 is a `hidden beast` number, since 5 + 568 + 86 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 55688598 and 55688607.

It is not an unprimeable number, because it can be changed into a prime (55688653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 773418 + ... + 773489.

Almost surely, 255688652 is an apocalyptic number.

It is an amenable number.

55688652 is an abundant number, since it is smaller than the sum of its proper divisors (85079976).

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

55688652 is a wasteful number, since it uses less digits than its factorization.

55688652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546917 (or 1546912 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 55688652 is about 7462.4829648047. The cubic root of 55688652 is about 381.8758859602.

The spelling of 55688652 in words is "fifty-five million, six hundred eighty-eight thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 1546907 3093814 4640721 6187628 9281442 13922163 18562884 27844326 55688652