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55327297 = 1912232381
BaseRepresentation
bin1101001100001…
…1101001000001
310212002220210011
43103003221001
5103130433142
65253504521
71241163034
oct323035101
9125086704
1055327297
112925a243
1216642141
13b60215c
1474c301b
154ccd417
hex34c3a41

55327297 has 8 divisors (see below), whose sum is σ = 58311360. Its totient is φ = 52350480.

The previous prime is 55327249. The next prime is 55327301. The reversal of 55327297 is 79272355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55327297 is a prime.

It is a super-2 number, since 2×553272972 = 6122219586652418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55327697) 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, 22047 + ... + 24427.

It is an arithmetic number, because the mean of its divisors is an integer number (7288920).

Almost surely, 255327297 is an apocalyptic number.

It is an amenable number.

55327297 is a deficient number, since it is larger than the sum of its proper divisors (2984063).

55327297 is a wasteful number, since it uses less digits than its factorization.

55327297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623.

The product of its digits is 132300, while the sum is 40.

The square root of 55327297 is about 7438.2321152274. The cubic root of 55327297 is about 381.0481152049.

The spelling of 55327297 in words is "fifty-five million, three hundred twenty-seven thousand, two hundred ninety-seven".

Divisors: 1 19 1223 2381 23237 45239 2911963 55327297