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55345327 = 74374489
BaseRepresentation
bin1101001100100…
…0000010101111
310212010211111221
43103020002233
5103132022302
65254124211
71241266432
oct323100257
9125124457
1055345327
1129271844
1216650667
13b60a41b
1474c9819
154cd3937
hex34c80af

55345327 has 4 divisors (see below), whose sum is σ = 55420560. Its totient is φ = 55270096.

The previous prime is 55345289. The next prime is 55345331. The reversal of 55345327 is 72354355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55345327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55345292 and 55345301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55345357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36502 + ... + 37987.

It is an arithmetic number, because the mean of its divisors is an integer number (13855140).

Almost surely, 255345327 is an apocalyptic number.

55345327 is a deficient number, since it is larger than the sum of its proper divisors (75233).

55345327 is an equidigital number, since it uses as much as digits as its factorization.

55345327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75232.

The product of its digits is 63000, while the sum is 34.

The square root of 55345327 is about 7439.4439980418. The cubic root of 55345327 is about 381.0895025593.

Subtracting 55345327 from its reverse (72354355), we obtain a triangular number (17009028 = T5832).

The spelling of 55345327 in words is "fifty-five million, three hundred forty-five thousand, three hundred twenty-seven".

Divisors: 1 743 74489 55345327