53009837 has 2 divisors, whose sum is σ = 53009838. Its totient is φ = 53009836.

The previous prime is 53009813. The next prime is 53009839. The reversal of 53009837 is 73890035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51638596 + 1371241 = 7186^2 + 1171^2 .

It is a cyclic number.

It is not a de Polignac number, because 53009837 - 2⁶ = 53009773 is a prime.

Together with 53009839, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53009797 and 53009806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53009839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26504918 + 26504919.

It is an arithmetic number, because the mean of its divisors is an integer number (26504919).

Almost surely, 2^53009837 is an apocalyptic number.

It is an amenable number.

53009837 is a deficient number, since it is larger than the sum of its proper divisors (1).

53009837 is an equidigital number, since it uses as much as digits as its factorization.

53009837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 53009837 is about 7280.7854658684. The cubic root of 53009837 is about 375.6518133448.

The spelling of 53009837 in words is "fifty-three million, nine thousand, eight hundred thirty-seven".