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55227135 = 3517216577
BaseRepresentation
bin1101001010101…
…1001011111111
310211220211101110
43102223023333
5103114232020
65251413103
71240265025
oct322531377
9124824343
1055227135
11291a0a67
12165b4193
13b5986a2
147498715
154cad8e0
hex34ab2ff

55227135 has 16 divisors (see below), whose sum is σ = 93561696. Its totient is φ = 27721728.

The previous prime is 55227131. The next prime is 55227149. The reversal of 55227135 is 53172255.

It is not a de Polignac number, because 55227135 - 22 = 55227131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55227131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108034 + ... + 108543.

It is an arithmetic number, because the mean of its divisors is an integer number (5847606).

Almost surely, 255227135 is an apocalyptic number.

55227135 is a deficient number, since it is larger than the sum of its proper divisors (38334561).

55227135 is a wasteful number, since it uses less digits than its factorization.

55227135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216602.

The product of its digits is 10500, while the sum is 30.

The square root of 55227135 is about 7431.4961481521. The cubic root of 55227135 is about 380.8180322969.

The spelling of 55227135 in words is "fifty-five million, two hundred twenty-seven thousand, one hundred thirty-five".

Divisors: 1 3 5 15 17 51 85 255 216577 649731 1082885 3248655 3681809 11045427 18409045 55227135