53593021 has 2 divisors, whose sum is σ = 53593022. Its totient is φ = 53593020.

The previous prime is 53592997. The next prime is 53593031. The reversal of 53593021 is 12039535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33477796 + 20115225 = 5786^2 + 4485^2 .

It is a cyclic number.

It is not a de Polignac number, because 53593021 - 2⁵ = 53592989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53593031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26796510 + 26796511.

It is an arithmetic number, because the mean of its divisors is an integer number (26796511).

Almost surely, 2^53593021 is an apocalyptic number.

It is an amenable number.

53593021 is a deficient number, since it is larger than the sum of its proper divisors (1).

53593021 is an equidigital number, since it uses as much as digits as its factorization.

53593021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 53593021 is about 7320.7254421949. The cubic root of 53593021 is about 377.0243612699.

The spelling of 53593021 in words is "fifty-three million, five hundred ninety-three thousand, twenty-one".