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55023111 = 33111314251
BaseRepresentation
bin1101000111100…
…1011000000111
310211112110112000
43101321120013
5103041214421
65243200343
71235455143
oct321713007
9124473460
1055023111
1129071750
12165160b3
13b526870
147444223
154c6d226
hex3479607

55023111 has 32 divisors (see below), whose sum is σ = 95773440. Its totient is φ = 30780000.

The previous prime is 55023077. The next prime is 55023119. The reversal of 55023111 is 11132055.

55023111 is a `hidden beast` number, since 550 + 2 + 3 + 111 = 666.

55023111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55023111 - 27 = 55022983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55023119) 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 31 ways as a sum of consecutive naturals, for example, 3265 + ... + 10986.

It is an arithmetic number, because the mean of its divisors is an integer number (2992920).

Almost surely, 255023111 is an apocalyptic number.

55023111 is a deficient number, since it is larger than the sum of its proper divisors (40750329).

55023111 is a wasteful number, since it uses less digits than its factorization.

55023111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14284 (or 14278 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 55023111 is about 7417.7564667492. The cubic root of 55023111 is about 380.3485053045.

Adding to 55023111 its reverse (11132055), we get a palindrome (66155166).

The spelling of 55023111 in words is "fifty-five million, twenty-three thousand, one hundred eleven".

Divisors: 1 3 9 11 13 27 33 39 99 117 143 297 351 429 1287 3861 14251 42753 128259 156761 185263 384777 470283 555789 1410849 1667367 2037893 4232547 5002101 6113679 18341037 55023111