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54776213 is a prime number
BaseRepresentation
bin1101000011110…
…1000110010101
310211001220211122
43100331012111
5103010314323
65234013325
71233406262
oct320750625
9124056748
1054776213
1128a131a8
1216417245
13b46b37b
1473bc269
154c1eec8
hex343d195

54776213 has 2 divisors, whose sum is σ = 54776214. Its totient is φ = 54776212.

The previous prime is 54776153. The next prime is 54776219. The reversal of 54776213 is 31267745.

54776213 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., 43533604 + 11242609 = 6598^2 + 3353^2 .

It is a cyclic number.

It is not a de Polignac number, because 54776213 - 28 = 54775957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54776219) 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, 27388106 + 27388107.

It is an arithmetic number, because the mean of its divisors is an integer number (27388107).

Almost surely, 254776213 is an apocalyptic number.

It is an amenable number.

54776213 is a deficient number, since it is larger than the sum of its proper divisors (1).

54776213 is an equidigital number, since it uses as much as digits as its factorization.

54776213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 54776213 is about 7401.0953918998. The cubic root of 54776213 is about 379.7787562539.

The spelling of 54776213 in words is "fifty-four million, seven hundred seventy-six thousand, two hundred thirteen".