54475493 has 2 divisors, whose sum is σ = 54475494. Its totient is φ = 54475492.

The previous prime is 54475483. The next prime is 54475513. The reversal of 54475493 is 39457445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49801249 + 4674244 = 7057^2 + 2162^2 .

It is a cyclic number.

It is not a de Polignac number, because 54475493 - 2⁸ = 54475237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54475493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54475423) 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, 27237746 + 27237747.

It is an arithmetic number, because the mean of its divisors is an integer number (27237747).

Almost surely, 2^54475493 is an apocalyptic number.

It is an amenable number.

54475493 is a deficient number, since it is larger than the sum of its proper divisors (1).

54475493 is an equidigital number, since it uses as much as digits as its factorization.

54475493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 41.

The square root of 54475493 is about 7380.7515200012. The cubic root of 54475493 is about 379.0824886647.

The spelling of 54475493 in words is "fifty-four million, four hundred seventy-five thousand, four hundred ninety-three".