54513449 has 2 divisors, whose sum is σ = 54513450. Its totient is φ = 54513448.

The previous prime is 54513439. The next prime is 54513461. The reversal of 54513449 is 94431545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43983424 + 10530025 = 6632^2 + 3245^2 .

It is a cyclic number.

It is not a de Polignac number, because 54513449 - 2²⁴ = 37736233 is a prime.

It is a super-2 number, since 2×54513449² = 5943432243751202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54513419) 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, 27256724 + 27256725.

It is an arithmetic number, because the mean of its divisors is an integer number (27256725).

Almost surely, 2^54513449 is an apocalyptic number.

It is an amenable number.

54513449 is a deficient number, since it is larger than the sum of its proper divisors (1).

54513449 is an equidigital number, since it uses as much as digits as its factorization.

54513449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 54513449 is about 7383.3223551461. The cubic root of 54513449 is about 379.1705105972.

The spelling of 54513449 in words is "fifty-four million, five hundred thirteen thousand, four hundred forty-nine".