5649953 has 2 divisors, whose sum is σ = 5649954. Its totient is φ = 5649952.

The previous prime is 5649949. The next prime is 5649977. The reversal of 5649953 is 3599465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3952144 + 1697809 = 1988^2 + 1303^2 .

It is a cyclic number.

It is not a de Polignac number, because 5649953 - 2² = 5649949 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5649953.

It is not a weakly prime, because it can be changed into another prime (5649913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2824976 + 2824977.

It is an arithmetic number, because the mean of its divisors is an integer number (2824977).

Almost surely, 2^5649953 is an apocalyptic number.

It is an amenable number.

5649953 is a deficient number, since it is larger than the sum of its proper divisors (1).

5649953 is an equidigital number, since it uses as much as digits as its factorization.

5649953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 41.

The square root of 5649953 is about 2376.9629782561. The cubic root of 5649953 is about 178.1072555629.

The spelling of 5649953 in words is "five million, six hundred forty-nine thousand, nine hundred fifty-three".