53258533 has 4 divisors (see below), whose sum is σ = 54161280. Its totient is φ = 52355788.

The previous prime is 53258509. The next prime is 53258563. The reversal of 53258533 is 33585235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33585235 = 5 ⋅6717047.

It is a cyclic number.

It is not a de Polignac number, because 53258533 - 2⁹ = 53258021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53258563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451285 + ... + 451402.

It is an arithmetic number, because the mean of its divisors is an integer number (13540320).

Almost surely, 2^53258533 is an apocalyptic number.

It is an amenable number.

53258533 is a deficient number, since it is larger than the sum of its proper divisors (902747).

53258533 is an equidigital number, since it uses as much as digits as its factorization.

53258533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902746.

The product of its digits is 54000, while the sum is 34.

The square root of 53258533 is about 7297.8444077686. The cubic root of 53258533 is about 376.2383546982.

The spelling of 53258533 in words is "fifty-three million, two hundred fifty-eight thousand, five hundred thirty-three".