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54718397 is a prime number
BaseRepresentation
bin1101000010111…
…0111110111101
310210221222112022
43100232332331
5103001442042
65232445525
71233045566
oct320567675
9123858468
1054718397
1128983818
12163a98a5
13b44ac66
1473a516d
154c0ccd2
hex342efbd

54718397 has 2 divisors, whose sum is σ = 54718398. Its totient is φ = 54718396.

The previous prime is 54718381. The next prime is 54718399. The reversal of 54718397 is 79381745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53860921 + 857476 = 7339^2 + 926^2 .

It is a cyclic number.

It is not a de Polignac number, because 54718397 - 24 = 54718381 is a prime.

Together with 54718399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54718399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27359198 + 27359199.

It is an arithmetic number, because the mean of its divisors is an integer number (27359199).

Almost surely, 254718397 is an apocalyptic number.

It is an amenable number.

54718397 is a deficient number, since it is larger than the sum of its proper divisors (1).

54718397 is an equidigital number, since it uses as much as digits as its factorization.

54718397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The square root of 54718397 is about 7397.1884523784. The cubic root of 54718397 is about 379.6450910663.

The spelling of 54718397 in words is "fifty-four million, seven hundred eighteen thousand, three hundred ninety-seven".