54118925449 has 2 divisors, whose sum is σ = 54118925450. Its totient is φ = 54118925448.

The previous prime is 54118925437. The next prime is 54118925479. The reversal of 54118925449 is 94452981145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27258010000 + 26860915449 = 165100^2 + 163893^2 .

It is a cyclic number.

It is not a de Polignac number, because 54118925449 - 2²⁵ = 54085371017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54118925396 and 54118925405.

It is not a weakly prime, because it can be changed into another prime (54118925429) 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, 27059462724 + 27059462725.

It is an arithmetic number, because the mean of its divisors is an integer number (27059462725).

Almost surely, 2^54118925449 is an apocalyptic number.

It is an amenable number.

54118925449 is a deficient number, since it is larger than the sum of its proper divisors (1).

54118925449 is an equidigital number, since it uses as much as digits as its factorization.

54118925449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 52.

The spelling of 54118925449 in words is "fifty-four billion, one hundred eighteen million, nine hundred twenty-five thousand, four hundred forty-nine".