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55153333 = 1923612069
BaseRepresentation
bin1101001001100…
…1001010110101
310211210002011001
43102121022311
5103104401313
65250043301
71236536614
oct322311265
9124702131
1055153333
1129150574
1216579531
13b570c11
14747987b
154c96add
hex34992b5

55153333 has 16 divisors (see below), whose sum is σ = 61603200. Its totient is φ = 49135680.

The previous prime is 55153291. The next prime is 55153349. The reversal of 55153333 is 33335155.

55153333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55153333 - 29 = 55152821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55153363) 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 15 ways as a sum of consecutive naturals, for example, 25623 + ... + 27691.

It is an arithmetic number, because the mean of its divisors is an integer number (3850200).

Almost surely, 255153333 is an apocalyptic number.

It is an amenable number.

55153333 is a deficient number, since it is larger than the sum of its proper divisors (6449867).

55153333 is a wasteful number, since it uses less digits than its factorization.

55153333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172.

The product of its digits is 10125, while the sum is 28.

The square root of 55153333 is about 7426.5290008186. The cubic root of 55153333 is about 380.6483230828.

Adding to 55153333 its reverse (33335155), we get a palindrome (88488488).

The spelling of 55153333 in words is "fifty-five million, one hundred fifty-three thousand, three hundred thirty-three".

Divisors: 1 19 23 61 437 1159 1403 2069 26657 39311 47587 126209 904153 2397971 2902807 55153333