54983238949 has 2 divisors, whose sum is σ = 54983238950. Its totient is φ = 54983238948.

The previous prime is 54983238943. The next prime is 54983239013. The reversal of 54983238949 is 94983238945.

It is an a-pointer prime, because the next prime (54983239013) can be obtained adding 54983238949 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45024596100 + 9958642849 = 212190^2 + 99793^2 .

It is a cyclic number.

It is not a de Polignac number, because 54983238949 - 2²¹ = 54981141797 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54983238943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27491619474 + 27491619475.

It is an arithmetic number, because the mean of its divisors is an integer number (27491619475).

Almost surely, 2^54983238949 is an apocalyptic number.

It is an amenable number.

54983238949 is a deficient number, since it is larger than the sum of its proper divisors (1).

54983238949 is an equidigital number, since it uses as much as digits as its factorization.

54983238949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67184640, while the sum is 64.

The spelling of 54983238949 in words is "fifty-four billion, nine hundred eighty-three million, two hundred thirty-eight thousand, nine hundred forty-nine".