Search a number
-
+
55012001 = 1116193089
BaseRepresentation
bin1101000111011…
…0101010100001
310211111220021112
43101312222201
5103040341001
65243033105
71235410562
oct321665241
9124456245
1055012001
1129064370
121650b795
13b5217a5
147440169
154c69cbb
hex3476aa1

55012001 has 8 divisors (see below), whose sum is σ = 60069600. Its totient is φ = 49963840.

The previous prime is 55011989. The next prime is 55012003. The reversal of 55012001 is 10021055.

55012001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55012001 - 214 = 54995617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55012003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16265 + ... + 19353.

It is an arithmetic number, because the mean of its divisors is an integer number (7508700).

Almost surely, 255012001 is an apocalyptic number.

It is an amenable number.

55012001 is a deficient number, since it is larger than the sum of its proper divisors (5057599).

55012001 is a wasteful number, since it uses less digits than its factorization.

55012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 55012001 is about 7417.0075502186. The cubic root of 55012001 is about 380.3229042055.

Adding to 55012001 its reverse (10021055), we get a palindrome (65033056).

The spelling of 55012001 in words is "fifty-five million, twelve thousand, one".

Divisors: 1 11 1619 3089 17809 33979 5001091 55012001