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54948017871853 is a prime number
BaseRepresentation
bin11000111111001100101010…
…00101100001101111101101
321012112222102211201200021121
430133212111011201233231
524200232020033344403
6312510434304300541
714400602051402251
oct1437462505415755
9235488384650247
1054948017871853
1116565361662367
1261b5364011751
1324877641b9a22
14d7d6d92d8261
156544cd9a93bd
hex31f995161bed

54948017871853 has 2 divisors, whose sum is σ = 54948017871854. Its totient is φ = 54948017871852.

The previous prime is 54948017871841. The next prime is 54948017871881. The reversal of 54948017871853 is 35817871084945.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49600440246564 + 5347577625289 = 7042758^2 + 2312483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54948017871853 is a prime.

It is a super-2 number, since 2×549480178718532 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54948017871823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27474008935926 + 27474008935927.

It is an arithmetic number, because the mean of its divisors is an integer number (27474008935927).

Almost surely, 254948017871853 is an apocalyptic number.

It is an amenable number.

54948017871853 is a deficient number, since it is larger than the sum of its proper divisors (1).

54948017871853 is an equidigital number, since it uses as much as digits as its factorization.

54948017871853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270950400, while the sum is 70.

The spelling of 54948017871853 in words is "fifty-four trillion, nine hundred forty-eight billion, seventeen million, eight hundred seventy-one thousand, eight hundred fifty-three".