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54257774297 is a prime number
BaseRepresentation
bin110010100010000000…
…111110111011011001
312012001022120111221012
4302202000332323121
51342104442234142
640531540223305
73630362320616
oct624200767331
9165038514835
1054257774297
112101310a991
12a62299ab35
135168bc65bc
1428a9dc550d
151628587882
hexca203eed9

54257774297 has 2 divisors, whose sum is σ = 54257774298. Its totient is φ = 54257774296.

The previous prime is 54257774293. The next prime is 54257774299. The reversal of 54257774297 is 79247775245.

It is a happy number.

54257774297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44333829136 + 9923945161 = 210556^2 + 99619^2 .

It is a cyclic number.

It is not a de Polignac number, because 54257774297 - 22 = 54257774293 is a prime.

Together with 54257774299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54257774293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27128887148 + 27128887149.

It is an arithmetic number, because the mean of its divisors is an integer number (27128887149).

Almost surely, 254257774297 is an apocalyptic number.

It is an amenable number.

54257774297 is a deficient number, since it is larger than the sum of its proper divisors (1).

54257774297 is an equidigital number, since it uses as much as digits as its factorization.

54257774297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34574400, while the sum is 59.

The spelling of 54257774297 in words is "fifty-four billion, two hundred fifty-seven million, seven hundred seventy-four thousand, two hundred ninety-seven".