53683237 has 2 divisors, whose sum is σ = 53683238. Its totient is φ = 53683236.

The previous prime is 53683213. The next prime is 53683241. The reversal of 53683237 is 73238635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44435556 + 9247681 = 6666^2 + 3041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53683237 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53683196 and 53683205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53683207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26841618 + 26841619.

It is an arithmetic number, because the mean of its divisors is an integer number (26841619).

Almost surely, 2^53683237 is an apocalyptic number.

It is an amenable number.

53683237 is a deficient number, since it is larger than the sum of its proper divisors (1).

53683237 is an equidigital number, since it uses as much as digits as its factorization.

53683237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 53683237 is about 7326.8845357355. The cubic root of 53683237 is about 377.2357977673.

The spelling of 53683237 in words is "fifty-three million, six hundred eighty-three thousand, two hundred thirty-seven".