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55045101 = 3101181667
BaseRepresentation
bin1101000111111…
…0101111101101
310211120120200110
43101332233231
5103042420401
65243450233
71235606226
oct321765755
9124516613
1055045101
1129087221
1216526979
13b533887
14744c24d
154c749d6
hex347ebed

55045101 has 8 divisors (see below), whose sum is σ = 74120544. Its totient is φ = 36333200.

The previous prime is 55045091. The next prime is 55045121. The reversal of 55045101 is 10154055.

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 55045101 - 219 = 54520813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55045121) 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, 90531 + ... + 91136.

It is an arithmetic number, because the mean of its divisors is an integer number (9265068).

Almost surely, 255045101 is an apocalyptic number.

It is an amenable number.

55045101 is a deficient number, since it is larger than the sum of its proper divisors (19075443).

55045101 is a wasteful number, since it uses less digits than its factorization.

55045101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181771.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 55045101 is about 7419.2385727917. The cubic root of 55045101 is about 380.3991673476.

Adding to 55045101 its reverse (10154055), we get a palindrome (65199156).

The spelling of 55045101 in words is "fifty-five million, forty-five thousand, one hundred one".

Divisors: 1 3 101 303 181667 545001 18348367 55045101