53247637 has 2 divisors, whose sum is σ = 53247638. Its totient is φ = 53247636.

The previous prime is 53247619. The next prime is 53247673. The reversal of 53247637 is 73674235.

Together with next prime (53247673) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35892081 + 17355556 = 5991^2 + 4166^2 .

It is a cyclic number.

It is not a de Polignac number, because 53247637 - 2¹¹ = 53245589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53247596 and 53247605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53247697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26623818 + 26623819.

It is an arithmetic number, because the mean of its divisors is an integer number (26623819).

Almost surely, 2^53247637 is an apocalyptic number.

It is an amenable number.

53247637 is a deficient number, since it is larger than the sum of its proper divisors (1).

53247637 is an equidigital number, since it uses as much as digits as its factorization.

53247637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 37.

The square root of 53247637 is about 7297.0978477748. The cubic root of 53247637 is about 376.2126951310.

The spelling of 53247637 in words is "fifty-three million, two hundred forty-seven thousand, six hundred thirty-seven".