54183928949 has 2 divisors, whose sum is σ = 54183928950. Its totient is φ = 54183928948.

The previous prime is 54183928937. The next prime is 54183929011. The reversal of 54183928949 is 94982938145.

It is an a-pointer prime, because the next prime (54183929011) can be obtained adding 54183928949 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52996644100 + 1187284849 = 230210^2 + 34457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54183928949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54183928891 and 54183928900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54183928049) 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, 27091964474 + 27091964475.

It is an arithmetic number, because the mean of its divisors is an integer number (27091964475).

Almost surely, 2^54183928949 is an apocalyptic number.

It is an amenable number.

54183928949 is a deficient number, since it is larger than the sum of its proper divisors (1).

54183928949 is an equidigital number, since it uses as much as digits as its factorization.

54183928949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22394880, while the sum is 62.

The spelling of 54183928949 in words is "fifty-four billion, one hundred eighty-three million, nine hundred twenty-eight thousand, nine hundred forty-nine".