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54885571249 is a prime number
BaseRepresentation
bin110011000111011011…
…110101101010110001
312020200001212220110011
4303013123311222301
51344401201234444
641114124134521
73652054441465
oct630733655261
9166601786404
1054885571249
1121305524043
12a779097441
135238ca54a2
1429295264a5
151663746734
hexcc76f5ab1

54885571249 has 2 divisors, whose sum is σ = 54885571250. Its totient is φ = 54885571248.

The previous prime is 54885571199. The next prime is 54885571253. The reversal of 54885571249 is 94217558845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50442015649 + 4443555600 = 224593^2 + 66660^2 .

It is a cyclic number.

It is not a de Polignac number, because 54885571249 - 221 = 54883474097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54885571193 and 54885571202.

It is not a weakly prime, because it can be changed into another prime (54885571849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27442785624 + 27442785625.

It is an arithmetic number, because the mean of its divisors is an integer number (27442785625).

Almost surely, 254885571249 is an apocalyptic number.

It is an amenable number.

54885571249 is a deficient number, since it is larger than the sum of its proper divisors (1).

54885571249 is an equidigital number, since it uses as much as digits as its factorization.

54885571249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128000, while the sum is 58.

The spelling of 54885571249 in words is "fifty-four billion, eight hundred eighty-five million, five hundred seventy-one thousand, two hundred forty-nine".