53812613 has 2 divisors, whose sum is σ = 53812614. Its totient is φ = 53812612.

The previous prime is 53812511. The next prime is 53812631. The reversal of 53812613 is 31621835.

53812613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (53812631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40729924 + 13082689 = 6382^2 + 3617^2 .

It is a cyclic number.

It is not a de Polignac number, because 53812613 - 2²⁰ = 52764037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53812813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26906306 + 26906307.

It is an arithmetic number, because the mean of its divisors is an integer number (26906307).

Almost surely, 2^53812613 is an apocalyptic number.

It is an amenable number.

53812613 is a deficient number, since it is larger than the sum of its proper divisors (1).

53812613 is an equidigital number, since it uses as much as digits as its factorization.

53812613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 53812613 is about 7335.7080776160. The cubic root of 53812613 is about 377.5385993307.

The spelling of 53812613 in words is "fifty-three million, eight hundred twelve thousand, six hundred thirteen".