53544493 has 2 divisors, whose sum is σ = 53544494. Its totient is φ = 53544492.

The previous prime is 53544487. The next prime is 53544499. The reversal of 53544493 is 39444535.

It is a balanced prime because it is at equal distance from previous prime (53544487) and next prime (53544499).

It can be written as a sum of positive squares in only one way, i.e., 51796809 + 1747684 = 7197^2 + 1322^2 .

It is a cyclic number.

It is not a de Polignac number, because 53544493 - 2⁵ = 53544461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53544499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26772246 + 26772247.

It is an arithmetic number, because the mean of its divisors is an integer number (26772247).

Almost surely, 2^53544493 is an apocalyptic number.

It is an amenable number.

53544493 is a deficient number, since it is larger than the sum of its proper divisors (1).

53544493 is an equidigital number, since it uses as much as digits as its factorization.

53544493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

The square root of 53544493 is about 7317.4102659343. The cubic root of 53544493 is about 376.9105295122.

The spelling of 53544493 in words is "fifty-three million, five hundred forty-four thousand, four hundred ninety-three".