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55045361 = 710197717
BaseRepresentation
bin1101000111111…
…0110011110001
310211120121001002
43101332303301
5103042422421
65243451345
71235610050
oct321766361
9124517032
1055045361
1129087438
1216526b55
13b533a27
14744c397
154c74b0b
hex347ecf1

55045361 has 8 divisors (see below), whose sum is σ = 62978880. Its totient is φ = 47129328.

The previous prime is 55045357. The next prime is 55045369. The reversal of 55045361 is 16354055.

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

It is a cyclic number.

It is not a de Polignac number, because 55045361 - 22 = 55045357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55045369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3275 + ... + 10991.

It is an arithmetic number, because the mean of its divisors is an integer number (7872360).

Almost surely, 255045361 is an apocalyptic number.

It is an amenable number.

55045361 is a deficient number, since it is larger than the sum of its proper divisors (7933519).

55045361 is a wasteful number, since it uses less digits than its factorization.

55045361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8743.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55045361 is about 7419.2560947847. The cubic root of 55045361 is about 380.3997662724.

The spelling of 55045361 in words is "fifty-five million, forty-five thousand, three hundred sixty-one".

Divisors: 1 7 1019 7133 7717 54019 7863623 55045361