53296591 has 4 divisors (see below), whose sum is σ = 53311384. Its totient is φ = 53281800.

The previous prime is 53296583. The next prime is 53296601. The reversal of 53296591 is 19569235.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 53296591 - 2³ = 53296583 is a prime.

It is a super-2 number, since 2×53296591² = 5681053224442562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53296511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1921 + ... + 10501.

It is an arithmetic number, because the mean of its divisors is an integer number (13327846).

Almost surely, 2^53296591 is an apocalyptic number.

53296591 is a deficient number, since it is larger than the sum of its proper divisors (14793).

53296591 is an equidigital number, since it uses as much as digits as its factorization.

53296591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14792.

The product of its digits is 72900, while the sum is 40.

The square root of 53296591 is about 7300.4514243984. The cubic root of 53296591 is about 376.3279520462.

The spelling of 53296591 in words is "fifty-three million, two hundred ninety-six thousand, five hundred ninety-one".