54045449 has 2 divisors, whose sum is σ = 54045450. Its totient is φ = 54045448.

The previous prime is 54045437. The next prime is 54045457. The reversal of 54045449 is 94454045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37699600 + 16345849 = 6140^2 + 4043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54045449 is a prime.

It is a super-2 number, since 2×54045449² = 5841821115223202, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54045949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27022724 + 27022725.

It is an arithmetic number, because the mean of its divisors is an integer number (27022725).

Almost surely, 2^54045449 is an apocalyptic number.

It is an amenable number.

54045449 is a deficient number, since it is larger than the sum of its proper divisors (1).

54045449 is an equidigital number, since it uses as much as digits as its factorization.

54045449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 54045449 is about 7351.5609907012. The cubic root of 54045449 is about 378.0823262545.

The spelling of 54045449 in words is "fifty-four million, forty-five thousand, four hundred forty-nine".