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55041203 = 77863029
BaseRepresentation
bin1101000111110…
…1110010110011
310211120101100002
43101331302303
5103042304303
65243420215
71235561660
oct321756263
9124511302
1055041203
11290842a8
121652466b
13b531b79
14744aa67
154c73788
hex347dcb3

55041203 has 4 divisors (see below), whose sum is σ = 62904240. Its totient is φ = 47178168.

The previous prime is 55041193. The next prime is 55041221. The reversal of 55041203 is 30214055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30214055 = 56042811.

It is a cyclic number.

It is not a de Polignac number, because 55041203 - 24 = 55041187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55041253) 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, 3931508 + ... + 3931521.

It is an arithmetic number, because the mean of its divisors is an integer number (15726060).

Almost surely, 255041203 is an apocalyptic number.

55041203 is a deficient number, since it is larger than the sum of its proper divisors (7863037).

55041203 is an equidigital number, since it uses as much as digits as its factorization.

55041203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863036.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 55041203 is about 7418.9758727199. The cubic root of 55041203 is about 380.3901878567.

Adding to 55041203 its reverse (30214055), we get a palindrome (85255258).

The spelling of 55041203 in words is "fifty-five million, forty-one thousand, two hundred three".

Divisors: 1 7 7863029 55041203