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55100211277 is a prime number
BaseRepresentation
bin110011010100001110…
…101000000001001101
312021020000202202012211
4303110032220001031
51400321123230102
641151312430421
73660302032246
oct632416500115
9167200682184
1055100211277
11214056a62a1
12a818b48411
1352715b7317
142949c39ccd
1516774e37d7
hexcd43a804d

55100211277 has 2 divisors, whose sum is σ = 55100211278. Its totient is φ = 55100211276.

The previous prime is 55100211209. The next prime is 55100211289. The reversal of 55100211277 is 77211200155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39101503081 + 15998708196 = 197741^2 + 126486^2 .

It is a cyclic number.

It is not a de Polignac number, because 55100211277 - 215 = 55100178509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55100211377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27550105638 + 27550105639.

It is an arithmetic number, because the mean of its divisors is an integer number (27550105639).

Almost surely, 255100211277 is an apocalyptic number.

It is an amenable number.

55100211277 is a deficient number, since it is larger than the sum of its proper divisors (1).

55100211277 is an equidigital number, since it uses as much as digits as its factorization.

55100211277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4900, while the sum is 31.

The spelling of 55100211277 in words is "fifty-five billion, one hundred million, two hundred eleven thousand, two hundred seventy-seven".