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54318857 is a prime number
BaseRepresentation
bin1100111100110…
…1011100001001
310210012200110112
43033031130021
5102401200412
65220124105
71226463005
oct317153411
9123180415
1054318857
112873061a
1216236635
13b33b148
1472dd705
154b7e722
hex33cd709

54318857 has 2 divisors, whose sum is σ = 54318858. Its totient is φ = 54318856.

The previous prime is 54318811. The next prime is 54318889. The reversal of 54318857 is 75881345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39488656 + 14830201 = 6284^2 + 3851^2 .

It is a cyclic number.

It is not a de Polignac number, because 54318857 - 28 = 54318601 is a prime.

It is not a weakly prime, because it can be changed into another prime (54318557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27159428 + 27159429.

It is an arithmetic number, because the mean of its divisors is an integer number (27159429).

Almost surely, 254318857 is an apocalyptic number.

It is an amenable number.

54318857 is a deficient number, since it is larger than the sum of its proper divisors (1).

54318857 is an equidigital number, since it uses as much as digits as its factorization.

54318857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 41.

The square root of 54318857 is about 7370.1327667824. The cubic root of 54318857 is about 378.7188085138.

The spelling of 54318857 in words is "fifty-four million, three hundred eighteen thousand, eight hundred fifty-seven".