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54871769 is a prime number
BaseRepresentation
bin1101000101010…
…0011011011001
310211020202220202
43101110123121
5103021344034
65240031545
71234255001
oct321243331
9124222822
1054871769
1128a78a77
12164625b5
13b4a2a04
147405001
154c3d47e
hex34546d9

54871769 has 2 divisors, whose sum is σ = 54871770. Its totient is φ = 54871768.

The previous prime is 54871759. The next prime is 54871807. The reversal of 54871769 is 96717845.

54871769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31494544 + 23377225 = 5612^2 + 4835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54871769 is a prime.

It is a super-2 number, since 2×548717692 = 6021822066378722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54871759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27435884 + 27435885.

It is an arithmetic number, because the mean of its divisors is an integer number (27435885).

Almost surely, 254871769 is an apocalyptic number.

It is an amenable number.

54871769 is a deficient number, since it is larger than the sum of its proper divisors (1).

54871769 is an equidigital number, since it uses as much as digits as its factorization.

54871769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 54871769 is about 7407.5481098674. The cubic root of 54871769 is about 379.9994667583. Note that the first 3 decimals are identical.

The spelling of 54871769 in words is "fifty-four million, eight hundred seventy-one thousand, seven hundred sixty-nine".