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55112203 = 313748049
BaseRepresentation
bin1101001000111…
…1001000001011
310211200222201201
43102033020023
5103102042303
65245125031
71236305656
oct322171013
9124628651
1055112203
1129122683
1216559777
13b558293
14746889d
154c8981d
hex348f20b

55112203 has 8 divisors (see below), whose sum is σ = 58428800. Its totient is φ = 51891840.

The previous prime is 55112191. The next prime is 55112207. The reversal of 55112203 is 30221155.

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-55112203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55112207) 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, 22878 + ... + 25171.

It is an arithmetic number, because the mean of its divisors is an integer number (7303600).

Almost surely, 255112203 is an apocalyptic number.

55112203 is a deficient number, since it is larger than the sum of its proper divisors (3316597).

55112203 is a wasteful number, since it uses less digits than its factorization.

55112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48117.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 55112203 is about 7423.7593576301. The cubic root of 55112203 is about 380.5536780990.

Adding to 55112203 its reverse (30221155), we get a palindrome (85333358).

The spelling of 55112203 in words is "fifty-five million, one hundred twelve thousand, two hundred three".

Divisors: 1 31 37 1147 48049 1489519 1777813 55112203