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54791549 is a prime number
BaseRepresentation
bin1101000100000…
…0110101111101
310211002200212122
43101000311331
5103011312144
65234212325
71233502061
oct321006575
9124080778
1054791549
1128a2377a
12164240a5
13b475347
1473c3aa1
154c247ee
hex3440d7d

54791549 has 2 divisors, whose sum is σ = 54791550. Its totient is φ = 54791548.

The previous prime is 54791521. The next prime is 54791551. The reversal of 54791549 is 94519745.

54791549 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., 52562500 + 2229049 = 7250^2 + 1493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54791549 is a prime.

It is a super-2 number, since 2×547915492 = 6004227683638802, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 54791551, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54791249) 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, 27395774 + 27395775.

It is an arithmetic number, because the mean of its divisors is an integer number (27395775).

Almost surely, 254791549 is an apocalyptic number.

It is an amenable number.

54791549 is a deficient number, since it is larger than the sum of its proper divisors (1).

54791549 is an equidigital number, since it uses as much as digits as its factorization.

54791549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 54791549 is about 7402.1313822439. The cubic root of 54791549 is about 379.8141958679.

The spelling of 54791549 in words is "fifty-four million, seven hundred ninety-one thousand, five hundred forty-nine".