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54956947 is a prime number
BaseRepresentation
bin1101000110100…
…1001110010011
310211102002202111
43101221032103
5103032110242
65241530151
71235061223
oct321511623
9124362674
1054956947
1129026a71
12164a3957
13b502706
147428083
154c58817
hex3469393

54956947 has 2 divisors, whose sum is σ = 54956948. Its totient is φ = 54956946.

The previous prime is 54956939. The next prime is 54956963. The reversal of 54956947 is 74965945.

It is a happy number.

54956947 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 is a cyclic number.

It is not a de Polignac number, because 54956947 - 23 = 54956939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54956947.

It is not a weakly prime, because it can be changed into another prime (54956977) 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, 27478473 + 27478474.

It is an arithmetic number, because the mean of its divisors is an integer number (27478474).

Almost surely, 254956947 is an apocalyptic number.

54956947 is a deficient number, since it is larger than the sum of its proper divisors (1).

54956947 is an equidigital number, since it uses as much as digits as its factorization.

54956947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 49.

The square root of 54956947 is about 7413.2952861733. The cubic root of 54956947 is about 380.1959907718.

The spelling of 54956947 in words is "fifty-four million, nine hundred fifty-six thousand, nine hundred forty-seven".