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550755157 is a prime number
BaseRepresentation
bin100000110100111…
…101101101010101
31102101100021001011
4200310331231111
52111443131112
6130352332221
716435225111
oct4064755525
91371307034
10550755157
11262983557
12134544071
138a146134
1453208741
1533541aa7
hex20d3db55

550755157 has 2 divisors, whose sum is σ = 550755158. Its totient is φ = 550755156.

The previous prime is 550755151. The next prime is 550755167. The reversal of 550755157 is 751557055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 477378801 + 73376356 = 21849^2 + 8566^2 .

It is a cyclic number.

It is not a de Polignac number, because 550755157 - 211 = 550753109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550755151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275377578 + 275377579.

It is an arithmetic number, because the mean of its divisors is an integer number (275377579).

Almost surely, 2550755157 is an apocalyptic number.

It is an amenable number.

550755157 is a deficient number, since it is larger than the sum of its proper divisors (1).

550755157 is an equidigital number, since it uses as much as digits as its factorization.

550755157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153125, while the sum is 40.

The square root of 550755157 is about 23468.1732778672. The cubic root of 550755157 is about 819.6960786250.

The spelling of 550755157 in words is "five hundred fifty million, seven hundred fifty-five thousand, one hundred fifty-seven".