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57549216341 is a prime number
BaseRepresentation
bin110101100110001100…
…110101101001010101
312111112201000002121002
4311212030311221111
51420330044410331
642234315233045
74105060160561
oct654614655125
9174481002532
1057549216341
112245203a021
12b1a1148785
135571aa0546
142add1b46a1
15176c4e99cb
hexd66335a55

57549216341 has 2 divisors, whose sum is σ = 57549216342. Its totient is φ = 57549216340.

The previous prime is 57549216313. The next prime is 57549216349. The reversal of 57549216341 is 14361294575.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44306040100 + 13243176241 = 210490^2 + 115079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57549216341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57549216349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28774608170 + 28774608171.

It is an arithmetic number, because the mean of its divisors is an integer number (28774608171).

Almost surely, 257549216341 is an apocalyptic number.

It is an amenable number.

57549216341 is a deficient number, since it is larger than the sum of its proper divisors (1).

57549216341 is an equidigital number, since it uses as much as digits as its factorization.

57549216341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 47.

The spelling of 57549216341 in words is "fifty-seven billion, five hundred forty-nine million, two hundred sixteen thousand, three hundred forty-one".