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55900233 = 3317121787
BaseRepresentation
bin1101010100111…
…1100001001001
310220012000201000
43111033201021
5103302301413
65314045213
71246100304
oct325174111
9126160630
1055900233
1129610744
1216879809
13b772b7c
1475d1b3b
154d93073
hex354f849

55900233 has 16 divisors (see below), whose sum is σ = 87687360. Its totient is φ = 35074368.

The previous prime is 55900219. The next prime is 55900241. The reversal of 55900233 is 33200955.

55900233 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 55900233 - 216 = 55834697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55900197 and 55900206.

It is not an unprimeable number, because it can be changed into a prime (55900253) 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, 60435 + ... + 61352.

It is an arithmetic number, because the mean of its divisors is an integer number (5480460).

Almost surely, 255900233 is an apocalyptic number.

It is an amenable number.

55900233 is a deficient number, since it is larger than the sum of its proper divisors (31787127).

55900233 is a wasteful number, since it uses less digits than its factorization.

55900233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121813 (or 121807 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 55900233 is about 7476.6458388772. The cubic root of 55900233 is about 382.3589022062.

The spelling of 55900233 in words is "fifty-five million, nine hundred thousand, two hundred thirty-three".

Divisors: 1 3 9 17 27 51 153 459 121787 365361 1096083 2070379 3288249 6211137 18633411 55900233