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55283159 is a prime number
BaseRepresentation
bin1101001011100…
…0110111010111
310212000200020102
43102320313113
5103123030114
65252524315
71240620251
oct322706727
9125020212
1055283159
112922a068
121662069b
13b5b8039
1474b0cd1
154cc02de
hex34b8dd7

55283159 has 2 divisors, whose sum is σ = 55283160. Its totient is φ = 55283158.

The previous prime is 55283153. The next prime is 55283183. The reversal of 55283159 is 95138255.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55283159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55283153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27641579 + 27641580.

It is an arithmetic number, because the mean of its divisors is an integer number (27641580).

Almost surely, 255283159 is an apocalyptic number.

55283159 is a deficient number, since it is larger than the sum of its proper divisors (1).

55283159 is an equidigital number, since it uses as much as digits as its factorization.

55283159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 38.

The square root of 55283159 is about 7435.2645548091. The cubic root of 55283159 is about 380.9467597134.

The spelling of 55283159 in words is "fifty-five million, two hundred eighty-three thousand, one hundred fifty-nine".