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550213757 is a prime number
BaseRepresentation
bin100000110010111…
…001100001111101
31102100022202101022
4200302321201331
52111323320012
6130332553525
716430511512
oct4062714175
91370282338
10550213757
11262643815
121343228a5
1389cb6892
1453107309
1533486472
hex20cb987d

550213757 has 2 divisors, whose sum is σ = 550213758. Its totient is φ = 550213756.

The previous prime is 550213747. The next prime is 550213759. The reversal of 550213757 is 757312055.

550213757 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., 546904996 + 3308761 = 23386^2 + 1819^2 .

It is a cyclic number.

It is not a de Polignac number, because 550213757 - 26 = 550213693 is a prime.

Together with 550213759, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550213759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275106878 + 275106879.

It is an arithmetic number, because the mean of its divisors is an integer number (275106879).

Almost surely, 2550213757 is an apocalyptic number.

It is an amenable number.

550213757 is a deficient number, since it is larger than the sum of its proper divisors (1).

550213757 is an equidigital number, since it uses as much as digits as its factorization.

550213757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 550213757 is about 23456.6356709567. The cubic root of 550213757 is about 819.4273996752.

The spelling of 550213757 in words is "five hundred fifty million, two hundred thirteen thousand, seven hundred fifty-seven".