53245691 has 2 divisors, whose sum is σ = 53245692. Its totient is φ = 53245690.

The previous prime is 53245589. The next prime is 53245697. The reversal of 53245691 is 19654235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53245691 - 2¹⁴ = 53229307 is a prime.

It is a super-2 number, since 2×53245691² = 5670207220134962, which contains 22 as substring.

It is a Chen prime.

It is equal to p_3183857 and since 53245691 and 3183857 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (53245697) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26622845 + 26622846.

It is an arithmetic number, because the mean of its divisors is an integer number (26622846).

Almost surely, 2^53245691 is an apocalyptic number.

53245691 is a deficient number, since it is larger than the sum of its proper divisors (1).

53245691 is an equidigital number, since it uses as much as digits as its factorization.

53245691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 53245691 is about 7296.9645058750. The cubic root of 53245691 is about 376.2081120242.

The spelling of 53245691 in words is "fifty-three million, two hundred forty-five thousand, six hundred ninety-one".