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550330057 is a prime number
BaseRepresentation
bin100000110011010…
…101111011001001
31102100112122220201
4200303111323021
52111341030212
6130335252201
716431504544
oct4063257311
91370478821
10550330057
11262713132
1213437a061
138a0277b4
145313785b
15334aab57
hex20cd5ec9

550330057 has 2 divisors, whose sum is σ = 550330058. Its totient is φ = 550330056.

The previous prime is 550330049. The next prime is 550330061. The reversal of 550330057 is 750033055.

550330057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316270656 + 234059401 = 17784^2 + 15299^2 .

It is a cyclic number.

It is not a de Polignac number, because 550330057 - 23 = 550330049 is a prime.

It is not a weakly prime, because it can be changed into another prime (550330357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275165028 + 275165029.

It is an arithmetic number, because the mean of its divisors is an integer number (275165029).

Almost surely, 2550330057 is an apocalyptic number.

It is an amenable number.

550330057 is a deficient number, since it is larger than the sum of its proper divisors (1).

550330057 is an equidigital number, since it uses as much as digits as its factorization.

550330057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7875, while the sum is 28.

The square root of 550330057 is about 23459.1145826095. The cubic root of 550330057 is about 819.4851303853.

The spelling of 550330057 in words is "five hundred fifty million, three hundred thirty thousand, fifty-seven".