54124419949 has 2 divisors, whose sum is σ = 54124419950. Its totient is φ = 54124419948.

The previous prime is 54124419929. The next prime is 54124420061. The reversal of 54124419949 is 94991442145.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54111133924 + 13286025 = 232618^2 + 3645^2 .

It is a cyclic number.

It is not a de Polignac number, because 54124419949 - 2²⁷ = 53990202221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54124419896 and 54124419905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54124419929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27062209974 + 27062209975.

It is an arithmetic number, because the mean of its divisors is an integer number (27062209975).

Almost surely, 2^54124419949 is an apocalyptic number.

It is an amenable number.

54124419949 is a deficient number, since it is larger than the sum of its proper divisors (1).

54124419949 is an equidigital number, since it uses as much as digits as its factorization.

54124419949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 52.

The spelling of 54124419949 in words is "fifty-four billion, one hundred twenty-four million, four hundred nineteen thousand, nine hundred forty-nine".