53071573 has 2 divisors, whose sum is σ = 53071574. Its totient is φ = 53071572.

The previous prime is 53071567. The next prime is 53071583. The reversal of 53071573 is 37517035.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31606884 + 21464689 = 5622^2 + 4633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53071573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53071583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26535786 + 26535787.

It is an arithmetic number, because the mean of its divisors is an integer number (26535787).

Almost surely, 2^53071573 is an apocalyptic number.

It is an amenable number.

53071573 is a deficient number, since it is larger than the sum of its proper divisors (1).

53071573 is an equidigital number, since it uses as much as digits as its factorization.

53071573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 53071573 is about 7285.0238846554. The cubic root of 53071573 is about 375.7975865606.

The spelling of 53071573 in words is "fifty-three million, seventy-one thousand, five hundred seventy-three".