Search a number
-
+
55060243 = 77865749
BaseRepresentation
bin1101001000001…
…0011100010011
310211121100110021
43102002130103
5103043411433
65244044311
71236001330
oct322023423
9124540407
1055060243
1129097637
1216533697
13b53a734
147453987
154c7922d
hex3482713

55060243 has 4 divisors (see below), whose sum is σ = 62926000. Its totient is φ = 47194488.

The previous prime is 55060237. The next prime is 55060277. The reversal of 55060243 is 34206055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55060243 - 221 = 52963091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55060223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3932868 + ... + 3932881.

It is an arithmetic number, because the mean of its divisors is an integer number (15731500).

Almost surely, 255060243 is an apocalyptic number.

55060243 is a deficient number, since it is larger than the sum of its proper divisors (7865757).

55060243 is an equidigital number, since it uses as much as digits as its factorization.

55060243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865756.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 55060243 is about 7420.2589577453. The cubic root of 55060243 is about 380.4340446634.

Adding to 55060243 its reverse (34206055), we get a palindrome (89266298).

The spelling of 55060243 in words is "fifty-five million, sixty thousand, two hundred forty-three".

Divisors: 1 7 7865749 55060243