5653993 has 2 divisors, whose sum is σ = 5653994. Its totient is φ = 5653992.

The previous prime is 5653957. The next prime is 5654017. The reversal of 5653993 is 3993565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3545689 + 2108304 = 1883^2 + 1452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5653993 is a prime.

It is not a weakly prime, because it can be changed into another prime (5653493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2826996 + 2826997.

It is an arithmetic number, because the mean of its divisors is an integer number (2826997).

Almost surely, 2^5653993 is an apocalyptic number.

It is an amenable number.

5653993 is a deficient number, since it is larger than the sum of its proper divisors (1).

5653993 is an equidigital number, since it uses as much as digits as its factorization.

5653993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109350, while the sum is 40.

The square root of 5653993 is about 2377.8126503154. The cubic root of 5653993 is about 178.1496973245.

The spelling of 5653993 in words is "five million, six hundred fifty-three thousand, nine hundred ninety-three".