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54384925949 is a prime number
BaseRepresentation
bin110010101001100110…
…000001110011111101
312012101011211111012122
4302221212001303331
51342340020112244
640552321412325
73633465146264
oct625146016375
9165334744178
1054384925949
11210789668a2
12a65949a0a5
135189355773
1428bcc435db
1516348021ee
hexca9981cfd

54384925949 has 2 divisors, whose sum is σ = 54384925950. Its totient is φ = 54384925948.

The previous prime is 54384925927. The next prime is 54384925979. The reversal of 54384925949 is 94952948345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30824824900 + 23560101049 = 175570^2 + 153493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54384925949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54384925891 and 54384925900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54384925979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27192462974 + 27192462975.

It is an arithmetic number, because the mean of its divisors is an integer number (27192462975).

Almost surely, 254384925949 is an apocalyptic number.

It is an amenable number.

54384925949 is a deficient number, since it is larger than the sum of its proper divisors (1).

54384925949 is an equidigital number, since it uses as much as digits as its factorization.

54384925949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55987200, while the sum is 62.

The spelling of 54384925949 in words is "fifty-four billion, three hundred eighty-four million, nine hundred twenty-five thousand, nine hundred forty-nine".