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54876257 is a prime number
BaseRepresentation
bin1101000101010…
…1100001100001
310211021000001222
43101111201201
5103022020012
65240104425
71234304042
oct321254141
9124230058
1054876257
1128a81387
1216465115
13b4a4a77
1474068c9
154c3e972
hex3455861

54876257 has 2 divisors, whose sum is σ = 54876258. Its totient is φ = 54876256.

The previous prime is 54876233. The next prime is 54876259. The reversal of 54876257 is 75267845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54037201 + 839056 = 7351^2 + 916^2 .

It is a cyclic number.

It is not a de Polignac number, because 54876257 - 224 = 38099041 is a prime.

It is a super-2 number, since 2×548762572 = 6022807164660098, which contains 22 as substring.

Together with 54876259, 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 (54876259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27438128 + 27438129.

It is an arithmetic number, because the mean of its divisors is an integer number (27438129).

Almost surely, 254876257 is an apocalyptic number.

It is an amenable number.

54876257 is a deficient number, since it is larger than the sum of its proper divisors (1).

54876257 is an equidigital number, since it uses as much as digits as its factorization.

54876257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 44.

The square root of 54876257 is about 7407.8510379192. The cubic root of 54876257 is about 380.0098266157.

The spelling of 54876257 in words is "fifty-four million, eight hundred seventy-six thousand, two hundred fifty-seven".