53733613 has 2 divisors, whose sum is σ = 53733614. Its totient is φ = 53733612.

The previous prime is 53733611. The next prime is 53733623. The reversal of 53733613 is 31633735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44983849 + 8749764 = 6707^2 + 2958^2 .

It is a cyclic number.

It is not a de Polignac number, because 53733613 - 2¹ = 53733611 is a prime.

Together with 53733611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53733611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26866806 + 26866807.

It is an arithmetic number, because the mean of its divisors is an integer number (26866807).

Almost surely, 2^53733613 is an apocalyptic number.

It is an amenable number.

53733613 is a deficient number, since it is larger than the sum of its proper divisors (1).

53733613 is an equidigital number, since it uses as much as digits as its factorization.

53733613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 31.

The square root of 53733613 is about 7330.3214799898. The cubic root of 53733613 is about 377.3537594155.

The spelling of 53733613 in words is "fifty-three million, seven hundred thirty-three thousand, six hundred thirteen".