53575493 has 2 divisors, whose sum is σ = 53575494. Its totient is φ = 53575492.

The previous prime is 53575469. The next prime is 53575513. The reversal of 53575493 is 39457535.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32982049 + 20593444 = 5743^2 + 4538^2 .

It is a cyclic number.

It is not a de Polignac number, because 53575493 - 2¹⁶ = 53509957 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53575493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53575433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26787746 + 26787747.

It is an arithmetic number, because the mean of its divisors is an integer number (26787747).

Almost surely, 2^53575493 is an apocalyptic number.

It is an amenable number.

53575493 is a deficient number, since it is larger than the sum of its proper divisors (1).

53575493 is an equidigital number, since it uses as much as digits as its factorization.

53575493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 283500, while the sum is 41.

The square root of 53575493 is about 7319.5281951776. The cubic root of 53575493 is about 376.9832539051.

The spelling of 53575493 in words is "fifty-three million, five hundred seventy-five thousand, four hundred ninety-three".