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55903853 is a prime number
BaseRepresentation
bin1101010101000…
…0011001101101
310220012012200002
43111100121231
5103302410403
65314114045
71246113665
oct325203155
9126165602
1055903853
1129613435
121687b925
13b774705
1475d31a5
154d94188
hex355066d

55903853 has 2 divisors, whose sum is σ = 55903854. Its totient is φ = 55903852.

The previous prime is 55903847. The next prime is 55903873. The reversal of 55903853 is 35830955.

55903853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51294244 + 4609609 = 7162^2 + 2147^2 .

It is a cyclic number.

It is not a de Polignac number, because 55903853 - 28 = 55903597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55903873) 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 as a sum of consecutive naturals, namely, 27951926 + 27951927.

It is an arithmetic number, because the mean of its divisors is an integer number (27951927).

Almost surely, 255903853 is an apocalyptic number.

It is an amenable number.

55903853 is a deficient number, since it is larger than the sum of its proper divisors (1).

55903853 is an equidigital number, since it uses as much as digits as its factorization.

55903853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 55903853 is about 7476.8879221237. The cubic root of 55903853 is about 382.3671556563.

The spelling of 55903853 in words is "fifty-five million, nine hundred three thousand, eight hundred fifty-three".